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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.
| 1351. |
time taken by light to travel through a slab of thickness t and refractive index 1.5 is? |
| Answer» time taken by light to travel through a slab of thickness t and refractive index 1.5 is? | |
| 1352. |
Which of the units − cm/sec, m/sec, km/h - would you use for the speed of the following? (a) A car running on a road. (b) An ant going along a straight line. (c) The speed of ball bowled by a bowler. (d) The speed of a coin on a carrom board. |
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Answer» Which of the units − cm/sec, m/sec, km/h - would you use for the speed of the following? (a) A car running on a road. (b) An ant going along a straight line. (c) The speed of ball bowled by a bowler. (d) The speed of a coin on a carrom board. |
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| 1353. |
How many kilograms make one metric ton?(a) 10(b) 100(c) 1000(d) 40 |
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Answer» How many kilograms make one metric ton? (a) 10 (b) 100 (c) 1000 (d) 40 |
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| 1354. |
what is pseudo force |
| Answer» what is pseudo force | |
| 1355. |
What is time period of oscillation of a body moving from its mean position to the postion of half of the distance of the distance between mean and extreme position?Why not it is T/8 second |
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Answer» What is time period of oscillation of a body moving from its mean position to the postion of half of the distance of the distance between mean and extreme position? Why not it is T/8 second |
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| 1356. |
(c)change(4) None of these45. The AG in the process of melting of ice at -15^° C is(1) AG < 0(2) AG> 0(3) AG = 0(4) All of these |
| Answer» (c)change(4) None of these45. The AG in the process of melting of ice at -15^° C is(1) AG < 0(2) AG> 0(3) AG = 0(4) All of these | |
| 1357. |
can their be electric field inside gaussian surface without a cha |
| Answer» can their be electric field inside gaussian surface without a cha | |
| 1358. |
Question 4 A toy car released with the same initial speed will travel farthest on (a) muddy surface (b) polished marble surface (c) cemented surface (d) brick surface |
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Answer» Question 4 A toy car released with the same initial speed will travel farthest on (a) muddy surface (b) polished marble surface (c) cemented surface (d) brick surface |
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| 1359. |
Out of the following which is known as common machines? |
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Answer» Out of the following which is known as common machines? |
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| 1360. |
What is the name of the object shown in the below image? |
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Answer» What is the name of the object shown in the below image?
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| 1361. |
Which of the following is/are property/properties of solid? |
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Answer» Which of the following is/are property/properties of solid? |
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| 1362. |
The speed of sound in H2 gas at a temperature t is v. The speed of sound in an equimolar mixture of H2 and He at the same temperature will be |
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Answer» The speed of sound in H2 gas at a temperature t is v. The speed of sound in an equimolar mixture of H2 and He at the same temperature will be |
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| 1363. |
A body of mass 0.8 kg has initial velocity (3i-41)m/s and finoal velocity (-6)2k) m/s. Find the changein kinetic energy of the body ? |
| Answer» A body of mass 0.8 kg has initial velocity (3i-41)m/s and finoal velocity (-6)2k) m/s. Find the changein kinetic energy of the body ? | |
| 1364. |
What is the importance in India of hydropower plants? Describe how electric energy is generated in such plants? |
| Answer» What is the importance in India of hydropower plants? Describe how electric energy is generated in such plants? | |
| 1365. |
how to identifywhether the problem need psuedo force or not |
| Answer» how to identifywhether the problem need psuedo force or not | |
| 1366. |
Which pivots on a point to change direction and force of movement? |
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Answer» Which pivots on a point to change direction and force of movement? |
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| 1367. |
Write one characteristic of an image formed by a pin-hole camera. [1 MARK] |
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Answer» Write one characteristic of an image formed by a pin-hole camera. [1 MARK] |
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| 1368. |
Restoring torque |
| Answer» Restoring torque | |
| 1369. |
An astronaut calls his friend from the moon! Astronaut: Hey friend, I am at the moon. What are you doing? Earthman: I am just taking rest on my bed. Who is/are in motion when an alien observes them from Mars? |
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Answer» An astronaut calls his friend from the moon! Astronaut: Hey friend, I am at the moon. What are you doing? Earthman: I am just taking rest on my bed. Who is/are in motion when an alien observes them from Mars? |
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| 1370. |
The one having maximum protective power (G.No. = Gold number) |
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Answer» The one having maximum protective power (G.No. = Gold number) |
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| 1371. |
Name the natural luminous object. |
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Answer» Name the natural luminous object. |
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| 1372. |
all the known planets move in which pathnad why it is so ? there is no atmosphere on yhe moon because ? |
| Answer» all the known planets move in which pathnad why it is so ? there is no atmosphere on yhe moon because ? | |
| 1373. |
Shadows are: |
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Answer» Shadows are: |
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| 1374. |
75.The north pole of a long horizontal bar magnet is being brought closer to a vertcal conducting plane along the perpendicular direction.The direction of the induced current in the conducting plane will be |
| Answer» 75.The north pole of a long horizontal bar magnet is being brought closer to a vertcal conducting plane along the perpendicular direction.The direction of the induced current in the conducting plane will be | |
| 1375. |
The work done on a body is 10 J. If the displacement is 10 m in the direction of the force, then the force applied is . |
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Answer» The work done on a body is 10 J. If the displacement is 10 m in the direction of the force, then the force applied is |
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| 1376. |
There are two surfaces, A and B that are in contact with each other. Consider the following situations: Situation I: Both A and B are at rest. Situation II: A is moving over B, while B is at rest. Situation III: B is moving over A, while A is at rest. In which of the given situations would you expect the sliding frictional force to come into play? |
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Answer» There are two surfaces, A and B that are in contact with each other. Consider the following situations: |
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| 1377. |
why f=un not followed in rotational mechanic |
| Answer» why f=un not followed in rotational mechanic | |
| 1378. |
What is the function of the switch in an electric circuit? |
| Answer» What is the function of the switch in an electric circuit? | |
| 1379. |
9.A conductor is at T Kelvin. Find the thermal speed of free electrons of the conductor |
| Answer» 9.A conductor is at T Kelvin. Find the thermal speed of free electrons of the conductor | |
| 1380. |
The flame of a gas stove is________ |
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Answer» The flame of a gas stove is________ |
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| 1381. |
When a North pole of a bar magnet is brought near the north pole of a freely suspended magnetic needle, it will ___ . |
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Answer» When a North pole of a bar magnet is brought near the north pole of a freely suspended magnetic needle, it will |
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| 1382. |
Which letters represent the load, effort, and fulcrum for the given lever diagram? |
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Answer» Which letters represent the load, effort, and fulcrum for the given lever diagram?
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| 1383. |
In which of the following situations is frictional force acting? |
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Answer» In which of the following situations is frictional force acting? |
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| 1384. |
A pair of scissors is used to cut a piece of a cloth by keeping it at a distance of 8.0 cm from its rivet and applying an effort of 10 kgf by fingers at a distance of 2.0 cm from the rivet.(a) Find : (i) the mechanical advantage of scissors, and (ii) the load offered by the cloth.(b) How does the pair of scissors act : as a force multiplier or as a speed multiplier ? |
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Answer» A pair of scissors is used to cut a piece of a cloth by keeping it at a distance of 8.0 cm from its rivet and applying an effort of 10 kgf by fingers at a distance of 2.0 cm from the rivet. (a) Find : (i) the mechanical advantage of scissors, and (ii) the load offered by the cloth. (b) How does the pair of scissors act : as a force multiplier or as a speed multiplier ? |
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| 1385. |
Ship, boat and submarines are modes of ______ transport. |
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Answer» Ship, boat and submarines are modes of ______ transport. |
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| 1386. |
Can magnets work in water ? |
| Answer» Can magnets work in water ? | |
| 1387. |
Question 34What is the SI prefix for each of the following multiples and submultiples of a unit?(a) 103 (b) 10−1 (c)10−2 (d) 10−6 (e) 10−9 (f) 10−12 |
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Answer» Question 34 What is the SI prefix for each of the following multiples and submultiples of a unit? (a) 103 (b) 10−1 (c)10−2 (d) 10−6 (e) 10−9 (f) 10−12 |
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| 1388. |
Which is fast in them ? Light or electricity |
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Answer» Which is fast in them ? Light or electricity |
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| 1389. |
Question 4Sound travels in air if(a) particles of medium travel from one place to another(b) there is no moisture in the atmosphere(c) disturbance moves(d) both particles as well as disturbance travel from one place to another |
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Answer» Question 4 Sound travels in air if (a) particles of medium travel from one place to another (b) there is no moisture in the atmosphere (c) disturbance moves (d) both particles as well as disturbance travel from one place to another |
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| 1390. |
Small block of mass M is kept on a roughinclinedl surface inclination (theta)fixed in an elevator.elevator goes up with a uniform velocity v and the block does not slide on the wedge the work done by the force of friction on the block in a time t will be |
| Answer» Small block of mass M is kept on a roughinclinedl surface inclination (theta)fixed in an elevator.elevator goes up with a uniform velocity v and the block does not slide on the wedge the work done by the force of friction on the block in a time t will be | |
| 1391. |
The property of material which allows things to be seen through them is called __. |
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Answer» The property of material which allows things to be seen through them is called |
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| 1392. |
14.For two resistor R1 and R2 connected in parallel the relative error in their equivalent resistance is {where R1 = (10.0 +- 0.1) and R2 = (20.0 +- 0.4)} a) 0.08 b) 0.05 c) 0.01 d) 0.04 |
| Answer» 14.For two resistor R1 and R2 connected in parallel the relative error in their equivalent resistance is {where R1 = (10.0 +- 0.1) and R2 = (20.0 +- 0.4)} a) 0.08 b) 0.05 c) 0.01 d) 0.04 | |
| 1393. |
is friction or air resistance is external force of system? if yes then why ? |
| Answer» is friction or air resistance is external force of system? if yes then why ? | |
| 1394. |
The period of oscillation of a simple pendulum is given by T = 2π√lg, where l is about 100 cm and is known to have 1 mm accuracy. The period is about 2 s. The time of 100 oscillations is measured by a stop watch of least count 0.1 s. The percentage error in g is |
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Answer» The period of oscillation of a simple pendulum is given by T = 2π√lg, where l is about 100 cm and is known to have 1 mm accuracy. The period is about 2 s. The time of 100 oscillations is measured by a stop watch of least count 0.1 s. The percentage error in g is |
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| 1395. |
A black spot on the surface of a glass sphere of refractive index 3/2 is viewed from diametrically opposite positions.it appears to be a distance of 10 cm from the spot. Diameter of the sphere is |
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Answer» A black spot on the surface of a glass sphere of refractive index 3/2 is viewed from diametrically opposite positions.it appears to be a distance of 10 cm from the spot. Diameter of the sphere is |
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| 1396. |
One precaution you should always take while handling a magnet is not to drop it. Why? |
| Answer» One precaution you should always take while handling a magnet is not to drop it. Why? | |
| 1397. |
Sid wants to split a log. Which one of the following machines would help him? |
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Answer» Sid wants to split a log. Which one of the following machines would help him? |
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| 1398. |
A fixed and movable pulley system has 50% efficiency. Find the velocity ratio of the system.[1 mark] |
Answer»  A fixed and movable pulley system has 50% efficiency. Find the velocity ratio of the system. [1 mark] |
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| 1399. |
He was visibly moved. |
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Answer» He was visibly moved. |
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| 1400. |
Write down the steps involved in measuring the length of a curved line? |
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Answer» Write down the steps involved in measuring the length of a curved line? |
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