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.
| 3301. |
good evening sir / mam my query is that two ants are moving randomly, both started at C and managed to reach the destination point D after same time along the paths 1) average speed of the ant A is 5m/s, its average velocity is 2m/s 2) average speed of ant B is 4m/s , its average velocity is 3m/s which of the above data is/are NOT possible a) only 1 b) only 2 c) both d) none ant A moves from the path which is uneven or unequal & ant B moves along a straight line thank you |
|
Answer» good evening sir / mam my query is that two ants are moving randomly, both started at C and managed to reach the destination point D after same time along the paths 1) average speed of the ant A is 5m/s, its average velocity is 2m/s 2) average speed of ant B is 4m/s , its average velocity is 3m/s which of the above data is/are NOT possible a) only 1 b) only 2 c) both d) none ant A moves from the path which is uneven or unequal & ant B moves along a straight line thank you |
|
| 3302. |
A boy starts from a point O and travels 50 m in 30 s. He returns to the same point in 20 s. Calculate the average velocity of the boy.\N |
Answer» A boy starts from a point O and travels 50 m in 30 s. He returns to the same point in 20 s. Calculate the average velocity of the boy.
|
|
| 3303. |
Which law says that every force is accompanied by an equal and opposite force? |
|
Answer» Which law says that every force is accompanied by an equal and opposite force? |
|
| 3304. |
Explain dimension of pressure. |
| Answer» Explain dimension of pressure. | |
| 3305. |
An iron ball of mass 10 kg is dropped from a height of 80 cm. If the downward acceleration of the ball is 10 ms–2, calculate the momentum transferred to the ground by the ball in kg m/s. |
|
Answer» An iron ball of mass 10 kg is dropped from a height of 80 cm. If the downward acceleration of the ball is 10 ms–2, calculate the momentum transferred to the ground by the ball in kg m/s. |
|
| 3306. |
If the mass of a body is M on the surface of the earth, the mass of the same body on the surface of the moon is: |
|
Answer» If the mass of a body is M on the surface of the earth, the mass of the same body on the surface of the moon is: |
|
| 3307. |
Write four factors affecting the buoyant forc |
| Answer» Write four factors affecting the buoyant forc | |
| 3308. |
10.A shell Leaves the Barrel Of the gun at a Speed Of 500m/s. The Barrel is 2.0 m long. The Average Acceleration of the shell is |
| Answer» 10.A shell Leaves the Barrel Of the gun at a Speed Of 500m/s. The Barrel is 2.0 m long. The Average Acceleration of the shell is | |
| 3309. |
Vijay and Gopal are pulling a block with 22 N force and 10 N force respectively in opposite directions. If Vijay pulls the block by a total distance of 6.5 m towards himself, find the net work done by the forces acting on the block. |
|
Answer» Vijay and Gopal are pulling a block with 22 N force and 10 N force respectively in opposite directions. If Vijay pulls the block by a total distance of 6.5 m towards himself, find the net work done by the forces acting on the block. |
|
| 3310. |
1. Listen to the songs of birds. Say the words boy and bee. Listen to the b sound in – big, bubbles, bin, bag, blue, blow and black. 2. Listen to the baby chicks – cheep cheep cheep. |
|
Answer» 1. Listen to the songs of birds. Say the words boy and bee. Listen to the b sound in –
2. Listen to the baby chicks – cheep cheep cheep. |
||
| 3311. |
Susan is travelling in car which is moving in high speed. What will happen to Susan if the driver of the fast moving car suddenly applies brakes? |
|
Answer» Susan is travelling in car which is moving in high speed. What will happen to Susan if the driver of the fast moving car suddenly applies brakes? |
|
| 3312. |
Explain why, a nail has a pointed tip. |
|
Answer» Explain why, a nail has a pointed tip. |
|
| 3313. |
.A cubical block of wood of specific gravity 0.5 and chunk of concrete of specific gravity 2.5 are fastened together. The ratio of the mass of wood to the mass of concrete which makes the combination to float with its entire volume submerged under water is |
| Answer» .A cubical block of wood of specific gravity 0.5 and chunk of concrete of specific gravity 2.5 are fastened together. The ratio of the mass of wood to the mass of concrete which makes the combination to float with its entire volume submerged under water is | |
| 3314. |
Flash of lightning reaches us earlier than the sound of thunder. Explain the reason. |
|
Answer» Flash of lightning reaches us earlier than the sound of thunder. Explain the reason. |
|
| 3315. |
A balloon with mass ′m′ is descending down with an acceleration ′a′ (where a<g). How much mass should be removed from it so that it starts moving up with an acceleration ′a′? |
|
Answer» A balloon with mass ′m′ is descending down with an acceleration ′a′ (where a<g). How much mass should be removed from it so that it starts moving up with an acceleration ′a′? |
|
| 3316. |
For a floating body, its weight W and upthrust FB on it are related as : (a) W>FB (b) W<FB (c) W=FB (d) nothing can be said. |
|
Answer» For a floating body, its weight W and upthrust FB on it are related as : |
|
| 3317. |
A lens of focal length is +20 cm in air and material has refractive index 1.50. If this lens is placed in a liquid of refractive index is 1.60, the focal length of the system is-1)-100cm,2)+80cm,3)+100cm,4)-80cm |
| Answer» A lens of focal length is +20 cm in air and material has refractive index 1.50. If this lens is placed in a liquid of refractive index is 1.60, the focal length of the system is-1)-100cm,2)+80cm,3)+100cm,4)-80cm | |
| 3318. |
Fill in the blanks:(1) The shortest distance between initial and final points of movement of the body is called ………… of the body.(2) In case of …………. motion, an object covers equal distance in equal intervals of time.(3) Retardation means ……………. acceleration.(4) The first kinematical equation gives relation between ……………. and time.(5) When body is performing uniform circular motion, it’s …………….. changes at every point. |
|
Answer» Fill in the blanks: (1) The shortest distance between initial and final points of movement of the body is called ………… of the body. (2) In case of …………. motion, an object covers equal distance in equal intervals of time. (3) Retardation means ……………. acceleration. (4) The first kinematical equation gives relation between ……………. and time. (5) When body is performing uniform circular motion, it’s …………….. changes at every point. |
|
| 3319. |
What are the two major types of energy resources? |
|
Answer» What are the two major types of energy resources? |
|
| 3320. |
Does periodic motion produces sound? |
|
Answer» Does periodic motion produces sound? |
|
| 3321. |
Two ends of a train moving with a constant acceleration passes a certain point with velocity u and v. Show that the velocity with which the middle point of the train passes the same point is √u²+v²/2. |
| Answer» Two ends of a train moving with a constant acceleration passes a certain point with velocity u and v. Show that the velocity with which the middle point of the train passes the same point is √u²+v²/2. | |
| 3322. |
Why is there a difference in the perceived frequency when the source of sound approaches you as compared to when it moves away from you? What effect does it have on the wavelength? |
| Answer» Why is there a difference in the perceived frequency when the source of sound approaches you as compared to when it moves away from you? What effect does it have on the wavelength? | |
| 3323. |
Find the equivalent resistance between A and B. |
|
Answer» Find the equivalent resistance between A and B. |
|
| 3324. |
Question 9A battery of 9 V is connected in series with resistors of 0.2Ω,0.3Ω,0.4Ω,0.5Ω and 12Ω, respectively. How much current would flow through the 12Ω resistors? |
|
Answer» Question 9 A battery of 9 V is connected in series with resistors of 0.2Ω,0.3Ω,0.4Ω,0.5Ω and 12Ω, respectively. How much current would flow through the 12Ω resistors? |
|
| 3325. |
An ant drags a piece of sweet from the origin (0,0) to (3,4) in the co-ordinate axes. What is the work done by the ant if it applies a force of 1 N (1 unit = 1 metre)? |
|
Answer» An ant drags a piece of sweet from the origin (0,0) to (3,4) in the co-ordinate axes. What is the work done by the ant if it applies a force of 1 N (1 unit = 1 metre)? |
|
| 3326. |
A hollow cylindrical box of length 1 m and area of cross section 25 cm^2 is placed in a three-dimensional coordinate system as shown in the figure. The electric field in the region is given by E=50x \overset{}{i, where E is in N/C and x in metre.} Find (1) net flux through the cylinder (2) charge enclosed by the cylinder. |
| Answer» A hollow cylindrical box of length 1 m and area of cross section 25 cm^2 is placed in a three-dimensional coordinate system as shown in the figure. The electric field in the region is given by E=50x \overset{}{i, where E is in N/C and x in metre.} Find (1) net flux through the cylinder (2) charge enclosed by the cylinder. | |
| 3327. |
a block of mass m is pulled vertically up with constant velocity of 5m/s with the help of a string.Work done in 2 second will be |
| Answer» a block of mass m is pulled vertically up with constant velocity of 5m/s with the help of a string.Work done in 2 second will be | |
| 3328. |
The force due to the magnetic field on a current carrying conductor is _______ to the magnetic field and_________ to the current. |
|
Answer» The force due to the magnetic field on a current carrying conductor is _______ to the magnetic field and_________ to the current. |
|
| 3329. |
How to measure the diameter of an electromagnet having a solid circular iron core? |
| Answer» How to measure the diameter of an electromagnet having a solid circular iron core? | |
| 3330. |
Relation between surface coverage and partial pressure at low pressure |
| Answer» Relation between surface coverage and partial pressure at low pressure | |
| 3331. |
n identical cells, each of emf ε and internal resistance r, are joined in series to form a close circuit. One cell A is joined with reversed polarity. The potential difference across each cell, except A is |
|
Answer» n identical cells, each of emf ε and internal resistance r, are joined in series to form a close circuit. One cell A is joined with reversed polarity. The potential difference across each cell, except A is |
|
| 3332. |
Two cars a and B moving in opposite directions along a straight road with velocities 20m/s and 40m/s respectively. Find the relative velocity of B with respect to A |
| Answer» Two cars a and B moving in opposite directions along a straight road with velocities 20m/s and 40m/s respectively. Find the relative velocity of B with respect to A | |
| 3333. |
Which property of concave mirror is utilised in using it as a shaving mirror? |
|
Answer» Which property of concave mirror is utilised in using it as a shaving mirror? |
|
| 3334. |
1. Look at the words the poet uses to describe what he sees and hears at Innisfree (i) Bee-loud glade (ii) Evenings full of the linnet’s wings (iii) Lake water lapping with low sounds What pictures do these words create in your mind? 2. Look at these words: ...peace comes dropping slow Dropping from the veils of the morning to where the cricket sings What do these words mean to you? What do you think “comes dropping slow...from the veils of the morning”? What does “to where the cricket sings” mean? |
|
Answer» 1. Look at the words the poet uses to describe what he sees and hears at Innisfree (i) Bee-loud glade (ii) Evenings full of the linnet’s wings (iii) Lake water lapping with low sounds What pictures do these words create in your mind? 2. Look at these words: ...peace comes dropping slow Dropping from the veils of the morning to where the cricket sings What do these words mean to you? What do you think “comes dropping slow...from the veils of the morning”? What does “to where the cricket sings” mean? |
|
| 3335. |
A convex mirror has a focal length of 18 cm. The image of an object kept in front of the mirror is half the height of the object. What is the distance of the object from the mirror? |
|
Answer» A convex mirror has a focal length of 18 cm. The image of an object kept in front of the mirror is half the height of the object. What is the distance of the object from the mirror? |
|
| 3336. |
The sides of a physical weighing scale are of uneven length if an object is placed in one side so the weight is 18 kg and on the other side weight is 8kg. What is the real weight of the object? A. 13kg B. 12kg C. 10kg D. 16kg |
| Answer» The sides of a physical weighing scale are of uneven length if an object is placed in one side so the weight is 18 kg and on the other side weight is 8kg. What is the real weight of the object? A. 13kg B. 12kg C. 10kg D. 16kg | |
| 3337. |
Expansion during heating: |
|
Answer» Expansion during heating: |
|
| 3338. |
How is it possible to detect the filling of a bucket under a water tap by hearing the sound standing at a distance? |
|
Answer» How is it possible to detect the filling of a bucket under a water tap by hearing the sound standing at a distance? |
|
| 3339. |
The figure shows the voltage drops across the resistances. Find V1. |
|
Answer» The figure shows the voltage drops across the resistances. Find V1. |
|
| 3340. |
Difference between current and charge |
| Answer» Difference between current and charge | |
| 3341. |
A charge Q is distributed over two concentric conducting thin spherical shells radii r and R(R>r). If the surface charge densities on the two shells are equal, the electric potential at the common centre is |
|
Answer» A charge Q is distributed over two concentric conducting thin spherical shells radii r and R(R>r). If the surface charge densities on the two shells are equal, the electric potential at the common centre is |
|
| 3342. |
When light reflects from two mirrors that meet each other at a right angle, what can be said about the final reflected ray? |
|
Answer» When light reflects from two mirrors that meet each other at a right angle, what can be said about the final reflected ray? |
|
| 3343. |
Question 4A boy is whirling a stone tied with a string in a horizontal circular path. If the string breaks, the stone(a) will continue to move in the circular path(b) will move along a straight line towards the centre of the circular path(c) will move along a straight line tangential to the circular path(d) will move along a straight line perpendicular to the circular path away from the boy |
|
Answer» Question 4 A boy is whirling a stone tied with a string in a horizontal circular path. If the string breaks, the stone (a) will continue to move in the circular path (b) will move along a straight line towards the centre of the circular path (c) will move along a straight line tangential to the circular path (d) will move along a straight line perpendicular to the circular path away from the boy |
|
| 3344. |
19. If a particle is moving on a circular path with constant speed, then the angle between direction of acceleration and its position vector w.r.t. centre of circle will be 1) 0 2) pi /2 3) pi 4) 2 pi |
| Answer» 19. If a particle is moving on a circular path with constant speed, then the angle between direction of acceleration and its position vector w.r.t. centre of circle will be 1) 0 2) pi /2 3) pi 4) 2 pi | |
| 3345. |
The unit of resistivity is |
|
Answer» The unit of resistivity is |
|
| 3346. |
A force of 60 N is pushing a body which moves it through a distance of 4 m on a horizontal surface. What is the work done, if the direction of force is at an angle of 60∘ to the horizontal surface? |
|
Answer» A force of 60 N is pushing a body which moves it through a distance of 4 m on a horizontal surface. What is the work done, if the direction of force is at an angle of 60∘ to the horizontal surface? |
|
| 3347. |
The wavelength of the sound produced by a tuning fork of frequency 450 Hz which is set to vibrate in air (take velocity of sound in air as 320 m/s) is |
|
Answer» The wavelength of the sound produced by a tuning fork of frequency 450 Hz which is set to vibrate in air (take velocity of sound in air as 320 m/s) is |
|
| 3348. |
It is said that sound travels fastest through solids, but once I told my friend to stand on the other side which was separated by a wall and I stood towards the other side and spoke in my normal tone to the wall. But my friend wasn't able to hear anything. If this is so then the statement sound travels fastest through solids would be wrong? And if it is not wrong then why wasn't my friend able to hear me? |
|
Answer» It is said that sound travels fastest through solids, but once I told my friend to stand on the other side which was separated by a wall and I stood towards the other side and spoke in my normal tone to the wall. But my friend wasn't able to hear anything. If this is so then the statement sound travels fastest through solids would be wrong? And if it is not wrong then why wasn't my friend able to hear me? |
|
| 3349. |
Define rho |
|
Answer» Define rho |
|
| 3350. |
The position of a patical depends on time according to the relation x=3(m/s)t - (1 m/s.s)t.t The speed of the particle at t = 2s , is |
| Answer» The position of a patical depends on time according to the relation x=3(m/s)t - (1 m/s.s)t.t The speed of the particle at t = 2s , is | |
