InterviewSolution
Saved Bookmarks
InterviewSolution
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.
| 2351. |
Two boys were playing with a ball on a level ground. One of the boys throws the ball on the third floor of the building which is at a height of 5 m and the other boy manages to throw on the fourth floor which is at a height of 7 m from the level ground. Find the ratio of the work done by both the boys? |
|
Answer» Two boys were playing with a ball on a level ground. One of the boys throws the ball on the third floor of the building which is at a height of 5 m and the other boy manages to throw on the fourth floor which is at a height of 7 m from the level ground. Find the ratio of the work done by both the boys? |
|
| 2352. |
A certain X- ray telescope is named after scientist ___ . |
|
Answer» A certain X- ray telescope is named after scientist |
|
| 2353. |
An electric motor raises a load of 0.2 kg, at a constant speed, through a vertical distance of 3.0 m in 2 s. If the acceleration of free fall is 10 m/s2, the power in W developed by the motor in raising the load is : (a) 0.3 (b) 1.2 (c) 3.0 (d) 6.0 |
|
Answer» An electric motor raises a load of 0.2 kg, at a constant speed, through a vertical distance of 3.0 m in 2 s. If the acceleration of free fall is 10 m/s2, the power in W developed by the motor in raising the load is : (a) 0.3 (b) 1.2 (c) 3.0 (d) 6.0 |
|
| 2354. |
It was a wave with steep, very slowly falling crests. Never in my life had I seen such an enormous wave. It seemed to be touching the sky.Therefore gigantic means ____________________________. |
|
Answer» It was a Therefore gigantic means ____________________________. |
|
| 2355. |
A train is moving at a speed of 90km/h.On applying brakes,a retardation of 2.5m/ S2 is created.At what distance before, should the driver apply brakes to stop the train |
| Answer» A train is moving at a speed of 90km/h.On applying brakes,a retardation of 2.5m/ S2 is created.At what distance before, should the driver apply brakes to stop the train | |
| 2356. |
Why does the person at poles have heavier or more weight than near the equator |
|
Answer» Why does the person at poles have heavier or more weight than near the equator |
|
| 2357. |
Question 7Law of gravitation gives the gravitational force between(a) the earth and a point mass only(b) the earth and Sun only(c) any two bodies having some mass(d) two charged bodies only |
|
Answer» Question 7 Law of gravitation gives the gravitational force between (a) the earth and a point mass only (b) the earth and Sun only (c) any two bodies having some mass (d) two charged bodies only |
|
| 2358. |
1312 is read as 13 ______ to the power 12. |
|
Answer» 1312 is read as 13 ______ to the power 12. |
|
| 2359. |
what is pascal law and hydraulic machines? |
| Answer» what is pascal law and hydraulic machines? | |
| 2360. |
A beaker is filled with water to its brim. A child while playing drops his ball of mass 1 kg into it and eventually ends up wetting himself with water. He weighs the water fallen on him and found it to be 1 N. Assuming that the ball is dropped slowly and all the spilled-over water fell on the child, find the buoyant force acting on the ball. |
|
Answer» A beaker is filled with water to its brim. A child while playing drops his ball of mass 1 kg into it and eventually ends up wetting himself with water. He weighs the water fallen on him and found it to be 1 N. Assuming that the ball is dropped slowly and all the spilled-over water fell on the child, find the buoyant force acting on the ball. |
|
| 2361. |
कवि चेतन से फिर जड़ होने की बात क्यों कहता है? |
| Answer» कवि चेतन से फिर जड़ होने की बात क्यों कहता है? | |
| 2362. |
A particle falls from rest under gravity. which of the following graphs correctly shows the variation of (i) its potential energy with respect to the ground against time and (ii) its kinetic energy against time |
|
Answer» A particle falls from rest under gravity. which of the following graphs correctly shows the variation of |
|
| 2363. |
A particle is thrown with the speed u at an angle alpha with the horizontal. When the particle makes an angel beta with horizontal, its speed will be |
| Answer» A particle is thrown with the speed u at an angle alpha with the horizontal. When the particle makes an angel beta with horizontal, its speed will be | |
| 2364. |
an object of mass m at a dis†an ce r from the centre of the sun is given a †an gential velocity such that it acquires a parabolic path.what was the speed given to i |
| Answer» an object of mass m at a dis†an ce r from the centre of the sun is given a †an gential velocity such that it acquires a parabolic path.what was the speed given to i | |
| 2365. |
Uniform circular motion examples |
|
Answer» Uniform circular motion examples |
|
| 2366. |
A particle rotate along a cicle R=root 2 m with an angular acceleration a=2274 rad/s starting from rest calculate tha magnitude of average velocity of the particle over the time it rotate a quater circle |
| Answer» A particle rotate along a cicle R=root 2 m with an angular acceleration a=2274 rad/s starting from rest calculate tha magnitude of average velocity of the particle over the time it rotate a quater circle | |
| 2367. |
What is meant by body at rest and body at motion? |
|
Answer» What is meant by body at rest and body at motion? |
|
| 2368. |
Will a body move more in air or vaccum when weighed by a spring balance ? Give reasons for your answers |
|
Answer» Will a body move more in air or vaccum when weighed by a spring balance ? Give reasons for your answers |
|
| 2369. |
A long cylindrical glass vessel has a small hole of radius 't at its bottom. The depth to whichthe vessel can be lowered vertically in the deep water bath (surface tension T) without anywater entering inside is:4T/ prg(2) 3T/prg(3) 2T/ prg(4) prg |
| Answer» A long cylindrical glass vessel has a small hole of radius 't at its bottom. The depth to whichthe vessel can be lowered vertically in the deep water bath (surface tension T) without anywater entering inside is:4T/ prg(2) 3T/prg(3) 2T/ prg(4) prg | |
| 2370. |
The velocity-time graph for a uniformly retarded body is a starlight line included to the time axis with an obtuse angle.How is retardation calculated from the velocity-time graph? |
|
Answer» The velocity-time graph for a uniformly retarded body is a starlight line included to the time axis with an obtuse angle.How is retardation calculated from the velocity-time graph? |
|
| 2371. |
Motion of a satellite in circular orbit is an example of |
|
Answer» Motion of a satellite in circular orbit is an example of |
|
| 2372. |
1. Write the three equation of motion for freely falling bodies and write the value of g.2. A cricket ball is dropped from a height of 20 metres. [5 MARKS](a) Calculate the speed of the ball when it hits the ground(b) Calculate the time it takes to fall through this height. |
|
Answer» 1. Write the three equation of motion for freely falling bodies and write the value of g. 2. A cricket ball is dropped from a height of 20 metres. [5 MARKS] (a) Calculate the speed of the ball when it hits the ground (b) Calculate the time it takes to fall through this height. |
|
| 2373. |
A steel rod is 3.000 cm in diameter at 25∘C. A brass ring has an interior diameter of 2.992 cm at 25∘C. At what common temperature will the ring just slide on to the rod. αsteel=12×10−6K−1 and αbrass=18×10−6K−1 |
|
Answer» A steel rod is 3.000 cm in diameter at 25∘C. A brass ring has an interior diameter of 2.992 cm at 25∘C. At what common temperature will the ring just slide on to the rod. |
|
| 2374. |
Use the following information to answer the next question. A hydrometer weighs 90 g and the area of cross−section of its stem is 1.5 cm2. The length of its stem is 22 cm and it floats with 11 cm of its stem in alcohol of density 0.9 g cm−3 What are the maximum and minimum densities that can be measured by this hydrometer? |
|
Answer» Use the following information to answer the next question. A hydrometer weighs 90 g and the area of cross−section of its stem is 1.5 cm2. The length of its stem is 22 cm and it floats with 11 cm of its stem in alcohol of density 0.9 g cm−3 What are the maximum and minimum densities that can be measured by this hydrometer? |
|
| 2375. |
What will be the orbital velocity of the satellite if the height of the satellite is h(meters) above the surface of the earth? Consider the radius of the earth be 'R', mass be 'M' and gravitational constant 'G'. |
|
Answer» What will be the orbital velocity of the satellite if the height of the satellite is h(meters) above the surface of the earth? Consider the radius of the earth be 'R', mass be 'M' and gravitational constant 'G'. |
|
| 2376. |
87.Why do sodium has the least reducing power among all alkali metals? |
| Answer» 87.Why do sodium has the least reducing power among all alkali metals? | |
| 2377. |
Two cubes of ice are pressed harder between the palms , when the pressure is released the two cubes join togeather |
|
Answer» Two cubes of ice are pressed harder between the palms , when the pressure is released the two cubes join togeather |
|
| 2378. |
a carnot engine working between 300k and 600k has a work output of 800j per cycle. The amount of heat energy supplied to engine from the source in each cycle |
| Answer» a carnot engine working between 300k and 600k has a work output of 800j per cycle. The amount of heat energy supplied to engine from the source in each cycle | |
| 2379. |
A man of mass 30 Kg stands on a stationary platform of mass 60 Kg. Surface between platform and ground as smooth if man moves with velocity 5 m/s. with respect to platfrom then find the velocity of platform |
| Answer» A man of mass 30 Kg stands on a stationary platform of mass 60 Kg. Surface between platform and ground as smooth if man moves with velocity 5 m/s. with respect to platfrom then find the velocity of platform | |
| 2380. |
The increase of carbon dioxide gas in atmosphere will cause: (a) decrease in temperature (b) increase in temperature (c) no change in temperature (d) increase in humidity. |
|
Answer» The increase of carbon dioxide gas in atmosphere will cause: (a) decrease in temperature (b) increase in temperature (c) no change in temperature (d) increase in humidity. |
|
| 2381. |
Recoil velocity of the gun is inversely proportional to the mass of gun , but why, when a man doesnt handle gun firmly his mass also gets added to gun ,according to this then there should be less jerk, why then jerk is more |
| Answer» Recoil velocity of the gun is inversely proportional to the mass of gun , but why, when a man doesnt handle gun firmly his mass also gets added to gun ,according to this then there should be less jerk, why then jerk is more | |
| 2382. |
Why pulling is generally easier to move a block on ground rather than pushing ? how to prove with the help of formula? |
| Answer» Why pulling is generally easier to move a block on ground rather than pushing ? how to prove with the help of formula? | |
| 2383. |
A truck running along a straight line increases its speed uniformly from 30 m/s to 60 m/s over a time interval 1 min. The distance travelled during this time interval is : |
|
Answer» A truck running along a straight line increases its speed uniformly from 30 m/s to 60 m/s over a time interval 1 min. The distance travelled during this time interval is : |
|
| 2384. |
An object of 50 kg gets the speed of 10m/s in 5 second from zero velocity. Calculate the required force applied by engine of the car? (in N) ___ |
|
Answer» An object of 50 kg gets the speed of 10m/s in 5 second from zero velocity. Calculate the required force applied by engine of the car? (in N) |
|
| 2385. |
A spherical convex surface separates object and image spaces of refractive index 1and 4/3 . If radius of curvature of surface is 10cm, it's power is 1.5D 2.5D 3.5D 3/7D |
| Answer» A spherical convex surface separates object and image spaces of refractive index 1and 4/3 . If radius of curvature of surface is 10cm, it's power is 1.5D 2.5D 3.5D 3/7D | |
| 2386. |
Establish the relation: V= wr V= linear speed ,wr = angular speed, r = radius of the circular path. |
|
Answer» Establish the relation: V= wr V= linear speed ,wr = angular speed, r = radius of the circular path. |
|
| 2387. |
If ratio of lenght of 2 wires is 1:3 and ratio of diameters is 3:1. Find the ratio of resistance. |
|
Answer» If ratio of lenght of 2 wires is 1:3 and ratio of diameters is 3:1. Find the ratio of resistance. |
|
| 2388. |
Should the resistance of an ammeter be low or high? Give reason. |
|
Answer» Should the resistance of an ammeter be low or high? Give reason. |
|
| 2389. |
Match the following mirrors with their correct name i) Convex ii) Plane iii) Parabolic iv) Concave |
|
Answer» Match the following mirrors with their correct name |
|
| 2390. |
5:1Two blocks of masses 6 kg and 4 kg connectedby a rope of mass 2 kg are resting on a frictionlessfloor as shown in the following figure. If a constantforce of 60 N is applied to 6 kg block, then thetension in the rope at points A, B and C arerespectively given by:F-60NACB6 kg4 kg2 kg |
| Answer» 5:1Two blocks of masses 6 kg and 4 kg connectedby a rope of mass 2 kg are resting on a frictionlessfloor as shown in the following figure. If a constantforce of 60 N is applied to 6 kg block, then thetension in the rope at points A, B and C arerespectively given by:F-60NACB6 kg4 kg2 kg | |
| 2391. |
An iron tyre is to be fitted onto a wooden wheel 1.0 m in diameter. The diameter of the tyre is 6 mm smaller than that of wheel. The tyre should be heated so that its temperature increases by a minimum of (Coefficient of volume expansion of iron is 3.6×10−5/∘C) |
|
Answer» An iron tyre is to be fitted onto a wooden wheel 1.0 m in diameter. The diameter of the tyre is 6 mm smaller than that of wheel. The tyre should be heated so that its temperature increases by a minimum of (Coefficient of volume expansion of iron is 3.6×10−5/∘C) |
|
| 2392. |
a person travellingwith you in a bus is at rest . do you agree with the statement ? |
| Answer» a person travellingwith you in a bus is at rest . do you agree with the statement ? | |
| 2393. |
Derive the relationship ship between force,mass and acceleration. |
| Answer» Derive the relationship ship between force,mass and acceleration. | |
| 2394. |
what is equations of motion? |
| Answer» what is equations of motion? | |
| 2395. |
Commercial unit of energy and its SI unit ofof electrical energy |
|
Answer» Commercial unit of energy and its SI unit ofof electrical energy |
|
| 2396. |
A body is projected up with a velocity 96 m/s. The ratio of distance covered by the body in last 2 seconds of it motion and last 2 seconds of its ascent. |
| Answer» A body is projected up with a velocity 96 m/s. The ratio of distance covered by the body in last 2 seconds of it motion and last 2 seconds of its ascent. | |
| 2397. |
What is sound quality? |
| Answer» What is sound quality? | |
| 2398. |
(a) Define velocity. What is the SI unit of velocity?(b) What is the difference between speed and velocity?(c) Convert a speed of 54 km/h into m/s. |
|
Answer» (a) Define velocity. What is the SI unit of velocity? (b) What is the difference between speed and velocity? (c) Convert a speed of 54 km/h into m/s. |
|
| 2399. |
advantage of parallel resistors over series combination of resistors |
| Answer» advantage of parallel resistors over series combination of resistors | |
| 2400. |
Question 32If two quantities p and q vary inversely with each other, then___of their corresponding values remains constant. |
|
Answer» Question 32 If two quantities p and q vary inversely with each other, then |
|
wave with steep, very slowly falling crests. Never in my life had I seen such an enormous wave. It seemed to be touching the sky.
i) Convex
ii) Plane
iii) Parabolic
iv) Concave