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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.
| 1601. |
If u is the initial velocity of a body projected with an angleФ with the horizontal then the maximum height reached |
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Answer» ANGLE *velocity Explanation: HOPE it will you |
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| 1602. |
A black car and a white car are parked next to each other on a sunny day. Explain which car will: a) become the hottest inside b) cool down the fastest when the sun sets |
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Answer» Answer: If you park a CAR under direct sunlight, it will HEAT up faster and retain the heat for a long time than a car parked in a garage or under a shade. The thing is if you KEEP two vehicles – ONE black and the other white – under the sunlight, the first one will get much hotter and take more time to cool down Explanation: |
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| 1603. |
Write down five characteristics of image formed in plane mirror. |
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Answer» Answer: 1 virtual n erect 2 behind the mirror 3 size of the IMAGE is EQUAL to size of OBJECT 4 laterally inverted image 5 same DISTANCE behind n ahead of the mirror hope it's HELPFUL to you, buddy. |
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| 1604. |
Meaning of the path of the method |
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Answer» A company being a CORPORATE a. Cannot sue b. Can sue c. Cannot be SUED d. A natural pers |
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| 1605. |
Describe the method in steps to find the area of the irregular lamina using a graph paper |
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Answer» Answer: Place the lamina over a graph PAPER. Draw its BOUNDARY line on the graph paper with a pencil. REMOVE the lamina and COUNT, note the number of complete SQUARES as well as the number of squares more than half within the boundary line. |
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| 1606. |
Pls answer thisPleas |
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Answer» Explanation: FIRST ONE Speed=distance÷time =35÷1/2 =17.5kmph SECOND ONE Average speed=total distance÷total time taken =100÷2 =50kmph THIRD ONE No.Because it is MOVING unequal distance in equal intervels of time.So it ia non-uniform MOTION |
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| 1607. |
Please answer thisAs fast as possible |
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| 1608. |
Give scientific reason, never use a laser torch to see in your friend's eye. |
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Answer» Answer: Laser LIGHT has very high intensity and hence it is harmful for the human eyes. It can cause damage to the eyes and can even LEAD to BLINDNESS. Thus, we should never use a laser torch to see in our friend's EYE. |
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| 1609. |
The speed-time graph shown is for a car moving in a straight line.15speedm/s105020406080time/sWhat is the acceleration of the car when the time is 40 s?LAO m/s215 3 m/sBC1540m/s240D (15 - 3)m/s? |
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| 1611. |
A force of 20 N is required to open a door when this force is applied at a distance 80 cm from the hinges. How much force will be required to open the same door if it is applied at a distance 40 cm from the hinges? |
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Answer»
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| 1612. |
Can the average velocity of a moving object be zero? Give an example. |
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Answer» Answer: YES, average velocity of a moving body can be zero. ... So for example, if you are travelling in a circle, and come back to your initial point, displacement is zero. THUS irrespective of the time you take, the displacement WOULD be zero and HENCE average velocity of your moving body will also be zero. |
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| 1613. |
Why was softball invented? |
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Answer» Explanation: Hancock initially ENVISIONED the game as a way for baseball players to maintain their skills during the offseason in the CONFINES of an indoor FACILITY. In 1888, SOFTBALL GAMES were moved to outdoor fields. In 1926, the game was officially renamed "softball." |
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| 1614. |
What is science?I found my home :) |
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Answer» Answer: Science, any system of knowledge that is concerned with the PHYSICAL world and its phenomena and that entails UNBIASED observations and systematic experimentation. ... In GENERAL, a science involves a pursuit of knowledge covering general TRUTHS or the operations of FUNDAMENTAL laws. |
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| 1615. |
A car of a mass 1 tone is travilling along straight horizontal road at 15ms-1 when it brakes sharp then skids. friction brings the car to rest. if the cofficent of friction betweenthe tyres and road 0.75, calculate find the decelertion |
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Answer» it's your answer for QUESTION |
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| 1616. |
Find the value of 700A° in nm |
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Answer» Explanation: HOPE you UNDERSTAND |
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| 1617. |
8. In ohms circuit which of thefollowing will not have positiveand negative terminals? *O voltmeterΟ ammeterObatteryO resistor |
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| 1618. |
1. (a) State what do you understand by the area ofan object.(b) State the standard international unit of area. |
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Answer» Answer: a) the AMOUNT of surface enclosed by a figure is CALLED its area (b) SQUARE metre Explanation: HOPE its helpful |
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| 1619. |
1) Refractive index of a benzene is 1.50. What does it mean?ii) in which direction the light bends when it moves from air into benzenesolution? |
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Answer» Explanation: The light enters benzene after travelling into air. Hence, the SPEED of light entering into benzene is reduced by 33%. Note: Light when entered to denser MEDIUM from RARER medium, then its speed reduces. Refractive INDEX of the medium is given by the two media (in the ratio of the speed of the light). |
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| 1620. |
3. Without using a measuring scale, how can youfind the area of the following correctly?(a) 5 rupee coin(b) A playing card(c) A banyan leafA. Using an appropriate measuring instrument (namethe instrument) how can you find the area of a(a) postal stamp (b) greeting card,(d) football ground(c) school hall |
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| 1621. |
In a horse-cart, each of the two horses pull the cart with the force of 550N each. Calculate the net resultant force and give reason for your answer. |
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Answer» Answer: 550 + 550 = 1100N Explanation: = NET force is sum of the TWO forces so we add if them ...If A is pushing a BLOCK in east with 20N and B is pushing in West with 10N then we can say that in west DIRECTION ...it is - ve..so when we add up : 20+(-10)so the answer is 20 -10 = 10N ...So, you just have to see the direction and then add up them. |
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| 1622. |
The resistor of a variable resistor can be changed hence it is called |
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| 1623. |
The behaviour of magnetic filed lines near two magnetic substances P and Q are shownbelow.Substance PSubstance Q(a) From the figure identify paramagnetic substance.(b) Susceptibility of substance P is(positive/negative)( |
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Answer» HTTPS://ncert.nic.in/textbook/pdf/leph105.pdf |
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| 1624. |
What is science? ? ? ? ? ? ? ? ? ? ? |
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Answer» Answer: Science is the STUDY of the NATURE and behaviour of natural things and the knowledge that we obtain about them. The best discoveries in science are very simple. ... Ascience is a particular BRANCH of science such as physics, chemistry, or biology. |
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| 1625. |
ASSERTION (A) :-A tight metal lid of a glass jar can be opened when dipped in warm water.REASON (B):-Heating a substance can make it expand.a) Both A and B are true and B is the correct explanation of Ab) Both A and B are true but B is not the correct explanation of Ac) Both A and B are falsed) A is true but B is false |
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Answer» Answer: |
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| 1626. |
if radius of first electron orbit of hydrogen is a0,radius of second electron orbit of hydrogen is___ |
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Answer» Answer:if RADIUS of FIRST ELECTRON orbit of hydrogen is a0,radius of SECOND electron orbit of hydrogen is 9r0
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| 1627. |
Energy of electron in the nth orbit of hydrogen atom is What is the energy required to make electron free from first orbit of hydrogen atom ? |
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Answer» Answer: Explanation: Energy of the electron in `nth` ORBIT of hydrogen ATOM is given by `E_(N) =-(13.6)/(n^(2))eV` |
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| 1628. |
Question : What is the formula of area of regularly shaped object?? |
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Answer» Answer: ✎Cells are the basic building blocks of all living THINGS. The HUMAN BODY is composed of trillions of cells. They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions. ... Cells have many parts, each with a DIFFERENT FUNCTION. |
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| 1629. |
Name the property of light that proves its transverse nature. |
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Answer» ok Explanation: it is because of the POLARISATION PHENOMENON of LIGHT |
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| 1630. |
5. In which point of a lens the light ray do not bend? |
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| 1631. |
The electromagnetic waves used in LASIK eye surgery is_____ |
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Answer» ok Explanation: ULTRAVIOLET RAYS are used in LASIK EYE surgery |
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| 1632. |
The expression B - AS=0 is(i)Gauss Law in Electrostatics(ii) Gauss Law in Magnetism(iii) Ampere's circuital law(iv) Lenz's law |
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Answer» Answer: let me sing a KUTTY story pay attention listen to me if you wana take torse LEAVE it BABY life os very short nanba always be happy palavida PROBLEM al |
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| 1634. |
Write Thor names of one bererge crop |
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Answer» Answer: ok Explanation: PLEASE follow and mark me as BRAINLIEST!!! ''Thank you'' |
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| 1635. |
ᴊᴏ ʙʜɪ ʙᴏʟɴᴀ ʜᴀɪ ʙᴏʟ ʙᴜᴛ ᴀᴜɴᴛʏ ɴᴏɪ ʙᴏʟ |
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Answer» Answer: hello FRIEND. hope you have a nice day Explanation: |
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| 1636. |
Which is heavy thing in world |
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Answer» In terms of ACTUAL weight, the heaviest object ever directly weighed, according to GUINNESS WORLD Records, is the revolving service structure of the launch PAD at the Kennedy Space Center in Florida, clocking in at 4.86 million pounds. Hope it helps dear Follow please ✌️❤️ |
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| 1637. |
What is the study of life in outer Space called |
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Answer» Answer: ASTROBIOLOGY, formerly known as exobiology, is an interdisciplinary SCIENTIFIC field concerned with the origins, early EVOLUTION, DISTRIBUTION, and future of life in the universe. Astrobiology considers the question of whether EXTRATERRESTRIAL life exists, and if it does, how humans can detect it. |
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| 1638. |
Name the simple device used to understand thethe rectilinear propagation of light |
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Answer» PINHOLE camera Explanation: |
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| 1639. |
What is motion????????????????????????????????????? |
Answer» Movement of any object from one position to ANOTHER position with respect to the observer is called as Motion. Motion Along a STRAIGHT Line: When an object moves along a straight line, the motion of the object is called RECTILINEAR motion. |
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| 1640. |
Namo the simple device used to understand theThe sectilinear propagation of light |
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Answer» Another EXAMPLE of rectilinear propagation of LIGHT involves the formation of shadows. When you PLACE an object in front of a candle, you will see its shadows on the WALL. It is because light travels along a straight line and leaves only the areas where the object INTERFERES. |
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| 1641. |
what is physics? |
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Answer» Answer: Physics is the science of MATTER and how matter interacts. Matter is any PHYSICAL material in the universe. Everything is MADE of matter. Physics is used to describe the physical universe around us, and to predict how it will behave. Explanation: Thank you for so MANY thanks! I will return them LATER :) |
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| 1642. |
If you want to select both ones correct one is wroong wixh is coming to be corrected |
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Answer» djdhdhurdbdvhdgdvdgdhdhhdhxhdhhxhdhdhdhhdhdbdhdhhdhdjddjjddjdjjdjdjjdjd |
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| 1643. |
If not properly treated, can pose danger to the health of the people |
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Answer» YES it MIGHT be DANGER if not CURED on time. Explanation: |
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| 1644. |
Ahmed is moving in his car with a velocity of 45km per hour. How much distance will he cover in 1 min and 1 sec? |
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Answer» Photosynthesis is a process used by plants and other organisms to convert light ENERGY into chemical energy that, through cellular respiration, can later be released to FUEL the organism's metabolic activities. |
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| 1645. |
A car travels 30km at a uniform speed if 40km per hour. 30km at a speed of 20km per hour. Calculate the average speed. |
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Answer» Answer: 30/40 * 20/30 3/4 * 2/3 |
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| 1646. |
man uses 5m long crowbar to raise a load of 100N.Find the effort , if fulcrum is located at 2m From the effort . |
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Answer» Given, Crowbars are CLASS (I) Lever, Total Length = 5 m Load (L) = 100 N Load Arm = (5-2) m = 3 m M.A = Effort Arm/Load Arm = 2/3 = 0.67 M.A = Load/Effort 0.67 = 100/Effort 149.25 N = Effort The Effort is 149.25 N. I hope this helps. |
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| 1647. |
a car travels a distance of 200 km in a average speed of 20 km per hour the time taken to cover the distance is? |
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Answer» Answer: 10hr Explanation: Distance /SPEED =200/20 = 10 JR (ans) |
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| 1648. |
A boy travel with a speed of 10 m/s for 20 minutes .how much distance does he travel.a.18kmb.18000mc.12kmd.12000m |
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| 1649. |
The correct relation is .a.V=DXMb.d=MXVc.M=DXVd.d=V/M |
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| 1650. |
What are the sources that produce the sound pollution |
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