This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1751. |
Scientist use light waves in SONAR devices to measure the depth of oceans. true/false |
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Answer» FALSE. Explanation: THEY USE SOUND WAVES.AS SOUND IS BOUNCED BACK BY A OBJECT IT CREATES AN IMAGE AND BY THE FREQUNCY OF THE SOUND THE DEPTH IS MEASURED. |
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| 1752. |
What is body? today is my test please answer |
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Answer» Your body is everything that makes up your physical self, including your SKIN, bones, muscles, and organs. Your WHOLE body might hurt after a day spent learning to snowboard. ... In science, a body is simply any separate object that has mass. The Old English root, bodig, MEANS "man or animal's TRUNK or chest." |
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| 1753. |
A piece of wood measures 4cm by 3cm by 3cm. If weighs 108g, then find the density ofthe wood in SI units. i got the answer as 4.16 kq m^3 |
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Answer» Answer: 3cm is the CORRECT gajsl |
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| 1754. |
Sriram accidentally mixed mustered seeds with rice and salt. how can he separate them. |
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Answer» USING the METHOD of hand-picking Explanation: |
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| 1755. |
Multiple Choice Questionsis the proper method for measuring the temperature of water.1. Out of the following,TITITITmmmmd.b.C.a.type of behaviour outWhile cooling hot water in natural ambience, it follows. |
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Answer» Answer: QUESTION please correctly bajo yar. nahi to photo bajo. |
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| 1756. |
R is the resultant of vectors A and B. If R=B/√2, then the value of theta is |
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Answer» Answer: B _ 45* EXPLANATION From the diagram, we have A + B =
Thus, R =A 2 +B 2 +2ABcosθ or, B 2 /2=A 2 +B 2 +2ABcosθ --- (1) Also, A is PERPENDICULAR to R
Thus, A .( A + B )=0 or, A 2 +ABcosθ=0 which GIVES, A=−Bcosθ Put this in (1) to get B 2 cos 2 θ+B 2 /2−2B 2 cos 2 θ=0 or, cos 2 θ=1/2 or cosθ= 2
1 , giving θ=45 0 |
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| 1757. |
How does the fertilization takes place in flower |
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Answer» Answer: Fertilization in FLOWERING PLANTS happens through a process called pollination. Pollination occurs when pollen GRAINS from the anther land on a stigma.Fertilization occurs when ONE of the sperm cells FUSES with the egg inside of an ovule. After fertilization occurs, each ovule develops into a seed. |
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| 1758. |
B. State whether True or False:1. The individual or institution who receives the compensation iscalled the insurer.2. The insured gets compensation if a loss occurs.3. Insurance does not promote trade and commerce in the country.4. General insurance pertains to fire, marine and health insurance.5. Life insurance mobilises small savings of the public throughdifferent schemes. |
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Answer» 1: INDIVIDUAL is the TRUE answer |
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| 1759. |
Why a saucepan float in water |
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Answer» FLUIDS expand when heated and become less dense. So as the water at the bottom of the pot BECOMES hot, its density decreases. DIFFERENCES in water density between the bottom of the pot and the top of the pot results in the gradual FORMATION of circulation currents. |
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| 1760. |
मेरी मम्मी इतनी बेकार क्यों है |
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| 1762. |
Write a short note on artificial asexual with neat labled diagram |
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Answer» Explanation: NATURAL methods of asexual reproduction include strategies that plants have developed to self-propagate. Many plants—like ginger, onion, gladioli, and dahlia—continue to grow from buds that are PRESENT on the surface of the STEM. In some plants, such as the sweet potato, adventitious roots or runners can give rise to new plants (Figure 1). In Bryophyllum and kalanchoe, the leaves have small buds on their margins. When these are detached from the plant, they grow into independent plants; or, they may START growing into independent plants if the leaf touches the soil. Some plants can be propagated through cuttings alone. 1.Grafting 2.cutting |
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| 1763. |
Electric current is (a) physical quantity (b)scalar quantity (c) vector quantity (d) physical and scalar quantity ? |
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Answer» Answer: because it requires both direction and SPEED |
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| 1764. |
What precautions should be taken in case of earth quake? Answer please urgent to I am having test Evs please answer |
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Answer» Answer: Internet Essay | Essay on Internet Internet Essay for Students and Children in English June 18, 2020 by Prasanna Internet Essay in English: The essay on Internet is a useful tool to educate students about the benefits and dangers of the Internet. The Internet is also a tool that we cannot avoid in this day and age. Nearly every aspect of our lives, from social interaction to learning and education, is performed through the Internet. Hence, the best way for students to learn about the Internet is by writing an essay on the Internet. Doing so will ensure that the TECHNOLOGY will not be taken for granted. The perfect analogy for the Internet is the ocean; it is VAST, expansive, and very easy to get lost in. However, with the right knowledge, this will not be an issue. Read on to find more about Write an essay about English, essay writing on internet.
You can also find more Essay Writing articles on events, persons, sports, technology and many more. Short Essay on Internet – Important Points to Note Following are a few things to keep in mind before writing an essay on the Internet: Perform a thorough research on the topic before starting. Always write an introductory paragraph Reduce the usage of jargons Present the content in points wherever necessary Break up large sections of monotonous texts into digestible chunks Use dates, figures, names, and other specifics Always provide a concluding paragraph Read through the essay once to eliminate grammar and SPELLING mistakes. “The Internet is becoming the town square for the Global village of tomorrow – Internet Essay” Essay on Internet Essay on Internet in English for Class 10 – Sample 1 (250 Words) Life in today’s day and age is entirely dependent on the Internet. Without this crucial tool, life would probably come to a standstill. In many countries, financial transactions are done entirely online. So if the Internet were to stop working, it could cause many hassles for the users. People all over the WORLD are connected through the Internet. News or any information for that matter travels through the Internet. This is how we keep ourselves updated with information. However, there are some downsides to this as well. Due to the Internet’s WORLDWIDE reach, crucial data, such as credit card numbers can be stolen. News or other information can be manipulated or distorted. Essay About Internet – Problems of Internet On an individual level, the Internet can cause a lot of problems – one of the most significant being procrastination. Procrastination is the habit of postponing a task indefinitely. Social media platforms, such as Facebook and other similar sites, are to be blamed as it is easy to get sucked into them. Countless hours could disappear if the user does not keep track of ti |
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| 1766. |
A.State two differences between a convex and a concave mirror. |
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Answer» Convex mirror DIVERGES the LIGHT while a convex LENS converges the light. CONCAVE mirror converges the light while a concave lens diverges the light. |
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| 1767. |
The way in which we can increase the sensitivity of thermometer |
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Answer» The SENSITIVITY of a mercury thermometer can be increased by using a smaller mercury bulb, thinner WALL and smaller bore. A smaller bulb contains less mercury and hence absorbs heat in shorter time. As a RESULT it can response faster to temperature CHANGE. |
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| 1768. |
N from this letter tell name of a flower in Marathi! |
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Answer» नीलघंटी - Bluebell. Explanation: |
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| 1769. |
Calculate the volume of a cylinder of height 5cm and radius 7cm |
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Answer» Answer: 769.6902 V=πr2h=π·72·5≈769.6902 Explanation: |
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| 1770. |
DatePageis what is angle between incident rayand the surface of planeis 39.mirror1)Weal. What is angle ofreflection2) whatWhat isis angle between therayand reflectedincident ray |
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Answer» Answer: 1st: the ANGLE made by a REFLECTED ray with a perpendicular to the reflecting surface 2: is KNOWN as GLANCING angle of incidence |
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| 1771. |
The brightness of light,emitted by a bulb,is observed to decrease when an electric heater is connected in series with it. Suggest the likely reason for this observation. |
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Answer» Answer: the brightness of light emitted by a bulb is observed to decrease when an electric heater is connected in series with it . SUGGEST the likely reason for this observation. Accepted Answer: ... The greater the voltage, the HIGHER the current and the BRIGHTER the bulb will glow. |
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| 1772. |
two mirrors a and b are kept perpendicular to each other as shwon a light ray strikes mirror a at angle of 25 degree if gets reflected and strikes mirror b draw a diagram to find the angle at which the ray will get reflected form mirror b |
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Answer» Answer: On plotting the ray diagram, we GET by geometry the angle of REFLECTION for the ray reflected from mirror B = 65°. |
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| 1773. |
Which is an example of conduction current?(a) a moving charged belt(b) electric current flowing in a copper wire(c) electronic movement in a vacuum tube(d) an electron beam in a television |
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Answer» HI MARK ME AS BRAINLIESR ANSWER AND ANSWER IZ Explanation: (B)ELECTRIC CURRENT FLOWING IN A COPPER WIRE HOPE IT HELPS A LOT IN YOUR STUDIES |
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| 1774. |
question and answer the following question number 1 what happened when dawn arrived please send me answer this is a English question not physics |
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Answer» Answer: Dawn finally launched from pad 17-B at the Cape Canaveral Air Force Station on a DELTA 7925-H rocket at 07:34 EDT, reaching ESCAPE velocity with the HELP of a spin-stabilized solid-fueled third stage. Thereafter, Dawn's ion thrusters TOOK over. |
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| 1775. |
In the free space Poisson's equation ∇^2 V is equal to:(a) -1(b) 0(c) ε0 / ρ(d) none of these |
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Answer» B) 0 Explanation: |
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| 1776. |
If A is a vector then value of ∇. ( ∇ X A ) is:(a) 1(b) 2(c) 1(d) 0 |
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Answer» tuwkutskyrksrykskrysfyksykrstuskfuskhfskhfksfhjsfhsfhjsgdjazfhnjmgdjdsjgykraydssfhkgjadgajgjyjthwrtjadghadgjgjadgheadgahgjadrysjrsjwryjgadnynrstus ysiyisyditjsykdgjshdkuldgksfajtsigtsjgjdgsjyjstjshdkydktjsydkykduflhkdhdkydkukdufliflohhfjjdyrjfitvrczugmnufchdkrjdjrkgrjdk Explanation: ilaaaaxzsxfoydgkdtsituafsutsktuskfyajtyksjyrsyfjsfhskfysjyfjsfuskgudfhsryskghdkhfdkfysjdjajfsadjgjsgkdfjsjzdjjssjsufsisifsusftistisyriwyriwrywiysfkysfkysfkfksfjsfjsjysfysfjfuskyfksfksdjafjsjsfjaffjsjfssfjjfsjsfjsfjdajsfdjajadyjfssfktieyriwwriyteiysfjsfhjsfhkfhksdgkuuetkuetitjefhskhsfkhsfkhfksfhsmhsfkgsfjgdjagfjsgsfngjfshsfjhfskhfkshfksfhshfsyfsjyriwyiwruetktyeiyriwyksjhsfdsfhzcnngczgzfgjsfgkudjdgljdgljdgldguketykyetiuetkjfhljdgmcgzngdjausfkhrilifhlhsfkahktsdgandgjayjrsyirsyrsutskyrsktuksrysktuksjfsktdfksfksfjsjydaydja |
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| 1777. |
What is the meaning of bhujangasan |
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Answer» Answer: In Sanskrit, the word Bhujangasana comes a combination of TWO words- 'bhujanga' which translates to 'cobra' or and 'asana' meaning 'posture'. ... Even visually it reflects the posture of a cobra that has its hood RAISED, and hence it is also KNOWN as 'Cobra POSE |
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| 1778. |
Calculate the volume of a cylinder of height 5 cm and radius. |
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Answer» Answer: |
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| 1779. |
Suggest an experimental setup to illustrate the action of an electric fuse. |
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Answer» Answer: Connect the two NAILS to a battery through a plug key and a small bulb, as SHOWN in Fig. As we switch on the circuit, the ALUMINIUM STRIP burns out immediately. The circuit breaks and current stops flowing. This is how an ELECTRIC fuse works using the heating effect of current. hope it helps pls mark me as Brainiliest |
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| 1780. |
Determine the temperature at which the root means square speed of CO2 gas molecules will be equal to 1kms |
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| 1781. |
an electric bulb of 200w is used for 6 hours a day calculate the energy consumed by it in a day in joules and kilowatt hour unit |
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Answer» Answer: Yes what Sean said. a 100 W bulb uses 110W/hr of POWER in an hour. This is how you GET watt/hours from watts. then you are using it for 6 hours a DAY and one hour uses 100 watt hours so 6 hours 600 watt hours of power each day, * 30 days and you have the answer below. except that larger amounts of power are give in kilo watt hours so you take your watt hours and divide it by 1000 to change watt hours to kilowatt hours |
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| 1782. |
Y)+-7728:;"and+;8&62by the copyright holder and the second half of the week of August and I have a great day for me and the other side and the rest |
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Answer» 7760 is the CORRECT answer |
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| 1783. |
John has a pair of magnets name X and Y respectively. Magnet X has poles A and B. whereas magnet Y has poles C and D. When A is brought close to C it repels each other, and when A is brought close to D it attracts. With this he confirms that A and D are _______ poles and C and D are _____ poles of the magnet. |
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Answer» skfufjhsutskutd7tod75ludtudltd7luyddlig Explanation: stifjhdgljfuyodudtutusotous |
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| 1784. |
Data is a collection of dash |
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Answer» Answer: Data Collection. Data collection is the PROCESS of gathering and measuring information on variables of interest, in an established SYSTEMATIC fashion that enables one to answer STATED RESEARCH questions, TEST hypotheses, and evaluate outcomes. |
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| 1785. |
Driver expression for acceleration due to gravity above the surface of Earth |
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Answer» Answer: let we CONSIDER, radius of earth R and mass is M and we know that acceleration due to gravity at surface G=R2GM ---- (i) G is universal gravitational CONSTANT. consider, a mass m is at above the earth at height h and g′ is acceleration due to gravity at height h. Therefore, g′=(R+h)2GM ----- (ii) divide, (ii) by (i) gg′=(R+h)2R2 g′=(R+h)2gR2 For h<< g′=g(1−R2h) Explanation: THANK UU |
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| 1786. |
An ebonite rod is rubbed against wool Then wool loses electronsa) Which is the charge recieved by eboniteb) If the ebonite rod earthed in which direction would be the electron flow For std-8 |
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Answer» On rubbing an ebonite rod with wool, the electrons from the wool get transferred to the ebonite rod. The wool gets a deficiency of electrons and so it gets POSITIVELY charged. On the other HAND, the ebonite rod gets excess electrons and hence it gets negatively charged. |
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| 1787. |
Differniate between Soft iron and steel For std-8 |
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Answer» Answer: iron gets MAGNETIZED faster but LOSES its magnetism as soon as including MAGNET is removed hence soft iron is said to be have high susceptibility but low retentivity... core in the transformer is made up of soft iron material. Steel is low to be magnetized but retains the ACQUIRED magnetism for a LONG time |
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| 1788. |
Issues of Equality Are Central to a Democracy-Explain the statement. |
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Answer» Answer: The issue of equality is impoetant in democracy very much. What does equality means in TERMS of democracy: The Equality means that PROVIDING EQUAL oppurtunities to all sects of people. The equality in democracy does not mean that to MAKE RICH and poor equal. It just mean to provide equal oppurtunity so that everybody has a chance to become something. As it is said that If you are born poor than it is not your mistake but if you die poor its your mistake. So this statement justifies the whole concept of equality in democracy. |
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| 1789. |
Give an example for contact force for std-8 |
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Answer» Answer: Pushing a car up a HILL or kicking a ball across a room are some of the everyday examples where CONTACT FORCES are at work. In the first CASE the FORCE is continuously applied by the person on the car, while in the second case the force is delivered in a short impulse. |
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| 1790. |
PLEASE ANSWER THIS •I WILL MARK HIM/HER BRAINLIEST |
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Answer» EXPLANATION:The white light PASSES from a prism into various colours |
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| 1791. |
Mr. Manoj's father ordered CFL bulbs, but his younger brother did not understand the reason for using CFL's over electric bulbs. Write in 1 or 2 on how do you think Manoj will explain him the importance of CFL's? |
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| 1792. |
Vbbv gvcccccccccccccccccccccccccccccccccccccggggggggggggggggggggggggggggggggggggggggggggggggggggg |
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Answer» Hola kam CHO ?????????? |
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| 1793. |
Write a short note : cell nucleus |
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Answer» Nucleus, in biology, a specialized structure occurring in most cells (except bacteria and blue-green ALGAE) and separated from the rest of the cell by a double layer, the nuclear membrane. This membrane seems to be continuous with the endoplasmic reticulum (a membranous network) of the cell and has pores, which probably permit the entrance of large molecules. The nucleus controls and regulates the activities of the cell (e.g., growth and metabolism) and carries the genes, STRUCTURES that contain the hereditary information. Nucleoli are SMALL bodies often seen within the nucleus. The gel-like matrix in which the nuclear COMPONENTS are suspended is the nucleoplasm. please mark me as brainlist plss |
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| 1794. |
How many languages are there in India write their names |
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Answer» 1. Hindi 2. English 3.sanskrit |
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| 1795. |
What do you mean by bunny hoppin? |
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Answer» Answer: Here it is please MARK as a brainlist Explanation: a jump over an obstacle executed by a person riding a bicycle and standing up on the pedals. 3. US. a dance performed by a line of people holding ONTO each other from behind and MOVING around the ROOM tapping and stepping with each foot separately and then jumping with both feet held together. verb bunny-hop. |
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| 1796. |
If a radio station transmite at 210m weave lenghtand 1370 kHz frequency, calculate the velocity ofwaves |
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Answer» Answer: Given, WAVELENGTH (λ) = 210 m Frequency (f) = 1370 KHZ = 1370000 Hz Wave Velocity (V) = λf = V = 210*1370000 = V = 287700000 m/s or, The Wave Velocity is 2.877 * 10⁸ m/s. I hope this helps. |
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| 1797. |
वन औषधि शब्द का संधि |
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Answer» स्वर संधि Explanation: वनौषधि= वन±औषधि= स्वर संधि |
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| 1798. |
Explain how wind current are generated due to uneven heating Between equator and poles |
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Answer» Wind currents are produced due to the non-uniform HEATING of the Earth. That MEANS uneven heating at the equator and the poles. This warm AIR rises and the MAKING up of cooler air from the regions with the 0-30 degrees latitude belt on either side of the equator moves in. This is how wind currents are being generated. Explanation: f.o.l.l.o.w me for more answer |
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| 1799. |
Difine Dielectric. Give an example |
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Answer» Answer: A dielectric material is a substance that is a POOR conductor of electricity, but an EFFICIENT supporter of electrostatic field s. ... In practice, most dielectric materials are solid. Examples include porcelain (ceramic), mica, GLASS, PLASTICS, and the oxides of various metals. Explanation: |
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| 1800. |
No new product are formed at the end of a physical change . give reason |
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