This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Ix) Addition of one electron in the outermostshell of a chlorine atom produces aa) new atom(b) anionc) cation(d) no change |
|
Answer» Answer: no change, not SURE but I THINK this would be answer for your QUESTION MARK ME BRAINLIEST |
|
| 2. |
4. One Newton's is equivalent tob) KG MS-2a) kg ms 2d) kg s?c) kg s-2 |
|
Answer» Answer: ONE newton is the force needed to accelerate one kilogram of mass at the rate of one metre per second SQUARED in the direction of the APPLIED force. Named after: Sir Isaac Newton Unit of: Force Unit system: SI derived unit |
|
| 3. |
2 = h/p =1.227nm✓1001.2272 =nm = 0.167 nm154 |
|
Answer» what do the FOLLOWING PERSONS do? a)A geologist b)A chemist c)A biologist d)An ecologist e)A CLIMATOLOGIST |
|
| 4. |
if the error in the measurement of radius of a sphere is 3% then then error in the calculation of its volume is? |
|
Answer» R =3 V =? v =4/3.πr³ v =4/3×3.14×27 v =36×3.14 v =113.04. |
|
| 5. |
In villages people use wood as fuel is because |
|
Answer» Answer: In villages, PEOPLE use WOOD as FUEL because of its easy AVAILABILITY and low cost. |
|
| 6. |
20) A particle of mass m and carrying charge-q1, ismoving around a charge +q2, along a circular pathof radius r. Find period of revolution of the charge-9116°ɛmr8rte mr(2)9.9239,92(3)9,92116n² e mr3(4) Zero |
|
Answer» Explanation: not ANSWER ghost or neither is the name to the people of 6hbhjsjjst has been in the FORMATION and is a GOOD IDEA to make a good Friend of her life to be able and to do something like that you know what she is and what price is |
|
| 7. |
A student connects a water heater to a 5A electric ciruit. Is this correct? Give suitable reason to your answer. |
|
Answer» Explanation: No, this is not correct. Because a water heater needs high energy circuit with near about 240 volts and 25-30 Amp. So when the student will connect a water heater to a 5A electric circuit, a SHORT circuit can be HAPPENED due to OVERLOAD and it can break the circuit and damage the heater. |
|
| 8. |
Which scientist in 1820 found that a compass needle is deflected by passing an electric current through a wireplaced near the needle? |
Answer» Hans Christian OerstedHans Christian Oersted, one of the leading scientists of the 19th century, PLAYED a crucial role in UNDERSTANDING electromagnetism.In 1820 he ACCIDENTALLY discovered that a COMPASS needle got deflected when an electric current passed through a metallic wire placed nearby. |
|
| 9. |
8. The gold chain is an example ofa. Elementb. CompoundC. Mixtured. Molecule |
|
Answer» |
|
| 10. |
7) What is sl unit of Pressure? answar me first |
|
Answer» Answer: Explanation: Pascal is the SI UNIT of pressure. It is DENOTED as Pa and defined as the force of one newton per SQUARE meter |
|
| 11. |
An athlete completes one round of a circular track of diameter 200 m in 40 s. What willbe the distance covered and the displacement at the end of 2 minutes 20 s? |
|
Answer» Answer: 200pi-40sec,1sec-5pi.distance travelled-700pi, displacement-100pi |
|
| 12. |
Which planets have no satellites (moons) |
|
Answer» The answer is no MOONS at all. That's RIGHT, Venus (and the PLANET Mercury) are the only two planets that don't have a single natural MOON orbiting them. Figuring out why is one question keeping astronomers busy as they study the Solar System. Astronomers have THREE explanations about how planets get a moon or moons. |
|
| 13. |
1. What is fundamental quantity? |
|
Answer» Explanation: The Fundamental Quantity is independent Physical Quantity that is not POSSIBLE to express in other Physical QUANITITY. It is USED as pillars for other quantities aka Derived Quantities. In PHYSICS, LENGTH, Mass, Time, Electric Current, Thermodynamic Temperature, etc are examples of Fundamental Quantities. |
|
| 14. |
Write 2 examples of derived unit |
|
Answer» Explanation: The FUNDAMENTAL Quantity is independent Physical Quantity that is not possible to express in other Physical Quanitity. It is used as PILLARS for other quantities aka Derived Quantities. In Physics, LENGTH, Mass, Time, ELECTRIC Current, Thermodynamic Temperature, etc are examples of Fundamental Quantities. Area =m2 Volume =m3 Force =kgm/s2 Pressure =kg/(ms2) Density =kg/m3" The seven fundamental S.I units are:− metre → for length second → for time kilogram → for mass kelvin → for temperature ampere → for electric current candela → for luminous intensity mole → for the amount of SUBSTANCE. |
|
| 16. |
Dimensienal formula of the resistence R |
|
Answer» RESISTANCE is DEFINED by R = V/I, Hence the dimensions are those of voltage divided by ELECTRIC CURRENT, And voltage is the work/potential energy per unit charge. |
|
| 17. |
6) What are different types ofsynthetic fibres? answer me first places |
Answer» ANSWER:so,here is your answer...Explanation:the different types of SYNTHETIC FIBRES are nylon,RAYON ETC |
|
| 18. |
❌❌❌don't scam ❌❌❌Noble gases are inert because they have completed outer electron shells. Which of these elements isn't a noble gas? |
|
Answer» Answer: The sixth is naturally occuring noble gas are (1) Helium (He) (2) Neon (Ne) (3)ARGON(Ar) (4)Krypton(Kr) (5)Xenon(Xe) and the (6)Redioactive Radon(Rn) vandana your guess is right but in minecraft dream is first and techno is second it is useful to U please mark as brain lis I am Ishavari |
|
| 19. |
Is 50 N correct answer for the question below |
|
Answer» Answer: weight of SYSTEM is in equblirium is 50N Explanation: given :- System is in equilibrium . and block A of weight 100N REST of frictionless inclined plane So from FIGURE :- T = W _______(1) and T = mgsin30° __________(2) From (1) and (2) equation W = mgsin30° W = 100 × 1/2 = 50N Answer |
|
| 20. |
Possibe no sectos de madeusfor a radioactive element is emot be paid (ees)its nucleus?Figure 3 shows the profile of a radio wave. Stady a cauty and determinewavelengthDisplacement (m)why fundamental frequency are during the dayTimeFigure 3Explain how an earthquake occurs. |
|
Answer» CHI chi chi chi chi chi chi HI chi to nii to to di Explanation: please clear the QUESTION |
|
| 21. |
A loaded truck starts from rest and rolls down a billy road with a constant acceleration. Thetruck travels a distance of lkm in 60 sec, what is its acceleration? Find the magnitude of netforce acting on a truck if its mass is 1200kg. |
|
Answer» Answer: Given data: Distance(S)=400 meter Time(t)=20 second 1) We have to find the ACCELERATION of the truck So from the equation of MOTION S=ut+ 2 1
a×t 2 , whereu=0 S= 2 1
a×t 2
a= t 2
2×S
= 20×20 2×400
=2 sec 2
m
2) Force acting on truck So,from newton's 2 nd law of motion F =ma=7000×2=14000N=14kN |
|
| 22. |
If solute by part of the solvent dissolve in 100 gm of solution then find weight by weightpercentage and weight by volume percentage, if density of the solution be 1.2 gm/ ml the alsofind volume of solution.Loch. COOH is equal to x pm of Nitric acid |
|
Answer» Answer: .. (Weight of 1 liter solution) x (PURITY) ÷ molecular weight ... Expressed as v/v% when MIXTURE or solute is liquid. ... VOLUME PERCENT concentration, "g number of solute in 100m of solution. |
|
| 23. |
A 5 CM tall object placed perpendicular to the principal axis of concave mirror of focal length 15 CM the distance of the object from the mirror is 20cm determines. numerical |
| Answer» | |
| 24. |
Explain the types of contact force by giving examples of each |
|
Answer» Answer: Contact FORCE is a force that is applied by OBJECTS in contact with each other. The Contact Force acts on a point of direct contact between the two objects. On the other hand, hammering a nail, kicking a BALL,etc are the examples HOPE THIS HELPS YOU THANK YOU |
|
| 26. |
[6]tion 2: Attempt the following questionsWhat is fundamental quantity?A block of mass 2kg is moving on a rough surface of coefficient of friction 0.5, findthe frictional force on it. |
|
Answer» Answer: the TIME to you and your family and FRIENDS and God bless you and your family and friends and God bless you and your family |
|
| 27. |
A projectile is fired with 50m/s at an angle of 37⁰ find the time of ascent |
|
Answer» Answer: time of ascent ta=3sec Explanation: we know that EQUATION of motion v=u+at a=g=acceleration due to gravity=10m/S2 u=intial velocity=50m/s(given) teta angle=37 degrees final velocity must be zero because it will TOUCHES any object and BECOMES rest so the vertical projectile will be SINTETA |
|
| 28. |
Please answer fast.. i will mark braimlist |
|
Answer» Explanation: |
|
| 29. |
4. The instrument which is based on the principle of optics is(a) telescope(b) television(c) radar(d) solar cell |
|
Answer» Explanation: telescope use convex lenses and mirrors to MAKE enlarged images of very tiny or DISTANT OBJECTS. |
|
| 30. |
List any five problems faced by organisms living in a desert region.❌✖No spamming rejected✅☑Good Answers accepted |
|
Answer» Answer: lack of water resources. lack of medical treatment. lack of PLANTATION due to high degree of heat. Humidity makes PEOPLE to FACE diseases. less agriculture land which lead to less PRODUCTION of food. lack of FARMING practises. lack of fauna. Explanation: please mark as brainlist |
|
| 31. |
Flow of charge carriers in a transistor is controlled by |
| Answer» | |
| 32. |
Why are the protons inside the nucleus held in gether instead of being repelles |
|
Answer» Since we know that LIKE CHARGES repel each other and the protons in the nucleus have equal and like charges, but they are held intogether INSTEAD of being REPELLED |
|
| 33. |
What is Ohms law? Explain It. |
|
Answer» Answer: OHM's law states that the VOLTAGE or POTENTIAL difference between two points is directly PROPORTIONAL to the current or electricity passing through the RESISTANCE, and directly proportional to the resistance of the circuit. The formula for Ohm's law is V=IR. |
|
| 34. |
5. How is the science of Physics misused by the mankind ? |
|
Answer» science of physics helped mankind by many ways. ... But in some CASES PHYSIC is also disturbing animals and trees. New technology came ultimately and which also also causes some great ENVIRONMENTAL problems like changing of climate and WEATHERS due to many physical experiments. I hope it's helpful #Different |
|
| 35. |
A 5 CM tall object placed perpendicular to the principal axis of concave mirror of focal length 15 CM the distance of the object from the mirror is 20cm determines numerical |
|
Answer» I DONT UNDERSTAND the QUESTION |
|
| 36. |
A car travel from stop a to stop b with a speed of 30 km /h and return back to a with a speed of 50 km /hfind the displacement of car and distance travelled by the car |
|
Answer» Answer: DISPLACEMENT of the car. |
|
| 37. |
Please answer the question in the given picture! |
|
Answer»
|
|
| 38. |
A 5 CM tall object placed perpendicular to the principal axis of concave mirror of focal length 15 CM the distance of the object from the mirror is 20cm determines |
Answer» CORRECT QUESTION:-A 5 cm tall object is placed perpendicular to the principal axis of Concave mirror of focal length 15 cm. The distance of the object from the mirror is 20 cm. Find the position, nature and size of the image FORMED. FINAL ANSWER:-
GIVEN:-
TO FIND:-
THINGS TO ASSUME:-distance of object ⇒ u distance of image ⇒ v height of object ⇒ height of image ⇒ SOLUTION:-size of image :-
⇔ ⇔ ⇔ ⇔ ⇔ ⇔ ⇔ ⇔ ⇔ ⇔ ⇔ ⇔ ⇔ ⇔ ⇔ ⇔ ⇔ ⇔ ⇔ ⇔ ⇔ ⇔ ⇔ ⇔ ⇔ THINGS TO KNOW:-
|
|
| 39. |
What is the derivative of log x and 1/tan X ??? |
|
Answer» |
|
| 40. |
4) Define malleability of metals I need Anwar please |
|
Answer» A MALLEABLE material is ONE in which a thin sheet can be easily FORMED by hammering or ROLLING. In other words, the material has the ability to deform under compressive stress. A malleable material is one in which a thin sheet can be easily formed by hammering. Gold is the most malleable metal. |
|
| 41. |
A 5 CM tall object placed perpendicular to the principal axis of concave mirror of focal length 15 CM the distance of the object from the mirror is 20cm determine |
|
Answer» Answer: The Industrial Revolution was the transition to new manufacturing PROCESSES in Europe and the United States, in the period from about 1760 to sometime between 1820 and 1840.mediates the relationship between workers, employing entities, trade unions and the GOVERNMENT. Collective labour law relates to the TRIPARTITE relationship between EMPLOYEE, employer and union. |
|
| 42. |
A deffraction grating used at normal procedencegives a green line C5q0o Ao) ina certain ordersuper imposed on the violet line (4050 Ad of thenext higher order of the angle of diffraction is30°, how many lines per com areper com are there in thegrouting and fined N |
|
Answer» naiwnkwkwbkwhqjbwjajwiowowq |
|
| 43. |
जीव-विज्ञान' शब्द का प्रयोग सर्वप्रथम किसने किया ?please thanks my ans |
|
Answer» okk karta hu danger BOY here ❤️ |
|
| 44. |
If velocity and acceleration are IN THE SAME DIRECTION THEN THE OBJECT WILL |
|
Answer» A school is an EDUCATIONAL environment where children go to LEARN from a teacher. Topics such as READING, writing and mathematics are central to education. Most of a STUDENT's time is spent in a classroom. This is where 10 to 30 people sit to take part in educational discussion. In the United States, the average number of students per classroom in primary schools is 23.1.[1] make me brainlist |
|
| 45. |
A particle is moving in circle of diameter 14 cm calculate the distance and displacement |
|
Answer» DISTANCE = πD = 3.14×14 = 44CM DISPLACEMENT= 0 |
|
| 46. |
10)When a body is at rest, then 1 point*a--Force is acting on the bodyb- the body is in vacuumthe net resultant force acting on ithas some magnitudec--the net resultarce acting on it iszero |
|
Answer» a. FORCE is ACTING on the body Explanation: ?????????????????????????? I THINK so this only answer |
|
| 47. |
PLZ DONT ANSWER IF YOU DON'T KNOW.. ITS URGENT.. ANSWER ME WITH SOLUTION |
|
Answer» √5ql hope it will be HELPFUL |
|
| 48. |
A body moving with uniform acceleration has initial velocity 45 kilometre per hour and acceleration 20 cm per second square find its velocity after 25 seconds |
|
Answer» Answer: 63km/hr Explanation: GIVEN the INITIAL velocity u=45km/hr=45×5/18m/s given ACCELERATION a=20cm/s²=0.2m/s² since v=u+at=12.5+(0.2)(25) THEREFORE v=12.5+5 v=17.5m/s or 63km/hr |
|
| 49. |
Neha and Suhani are playing with two identical pendulums. They leave the bob from a certain position and wait for it to return to the same point. The one who waits for a shorter time wins. Neha leaves her pendulum from point L and Suhani leaves her pendulum from point P. What happens? |
| Answer» | |
| 50. |
A liquid flows into a vessel initially empty at a steadyrate of 70 cm’s-1. The pictorial representation(graph) of the increase in the mass of the vessel withtime is given below.(i) What does the point A represent?(ii) What does the horizontal line beyondB indicate?(iii) Find the capacity of the vessel. (iv) Find the density of the liquid. |
|
Answer» small ROLE is noticed and appreciated by the people around him. - Therefore, it is comprehended from the lesson that no WORK is BIG or small, on the other hand, it is the manner and attitude in which it is executed that MAKES it big or small.16 |
|