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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.
| 5251. |
Which of the following Mohr's circles shown below qualitatively and correctly represents the state of plane stress at a point in a beam above the neutral axis, where it is subjected to combined shear and bending compressive stresses |
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Answer» Which of the following Mohr's circles shown below qualitatively and correctly represents the state of plane stress at a point in a beam above the neutral axis, where it is subjected to combined shear and bending compressive stresses |
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| 5252. |
What are the harmful effects of burning fossil fuels? |
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Answer» What are the harmful effects of burning fossil fuels? |
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| 5253. |
(i) What do you understand by the kinetic energy of a body?(ii) A body is thrown vertically upwards. Its velocity goes on decreasing. What happens to its kinetic energy as its velocity becomes zero?(iii) A horse and a dog are running with the same speed. If the weight of the horse is ten times that of the dog, what is the ratio of their kinetic energies? |
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Answer» (i) What do you understand by the kinetic energy of a body? (ii) A body is thrown vertically upwards. Its velocity goes on decreasing. What happens to its kinetic energy as its velocity becomes zero? (iii) A horse and a dog are running with the same speed. If the weight of the horse is ten times that of the dog, what is the ratio of their kinetic energies? |
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| 5254. |
Two balls with masses m1 = 3 kg and m2 = 5 kg have initial velocities v1 = 5 m/s = v2 in the directions as shown in figure. They collide at the origin. Find the velocity of the COM 3 seconds before collision? |
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Answer» Two balls with masses m1 = 3 kg and m2 = 5 kg have initial velocities v1 = 5 m/s = v2 in the directions as shown in figure. They collide at the origin. Find the velocity of the COM 3 seconds before collision?
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| 5255. |
There are three sources of sound of equal intensity with frequencies 400, 401 and 402 vib/s. The number of beats heard per second is :- |
| Answer» There are three sources of sound of equal intensity with frequencies 400, 401 and 402 vib/s. The number of beats heard per second is :- | |
| 5256. |
An air column closed at one end and open at other resonates with a tuning fork when the smallest length of the column is 50 cm the next larger length of the column resonating with the same tuning fork is |
| Answer» An air column closed at one end and open at other resonates with a tuning fork when the smallest length of the column is 50 cm the next larger length of the column resonating with the same tuning fork is | |
| 5257. |
Question 8 A water tanker filled up to 23 of its height is moving with a uniform speed. On sudden application of the brake, the water in the tank would (a) move backward (b) move forward (c) be unaffected (d) rise upwards |
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Answer» Question 8 A water tanker filled up to 23 of its height is moving with a uniform speed. On sudden application of the brake, the water in the tank would (a) move backward (b) move forward (c) be unaffected (d) rise upwards |
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| 5258. |
A region consists of uniform electric feild E and uniform gravitational feild g perpendicular to each other ? A particle of charge Q and massm begins to move in this region. Deduce an equation for this trajectory? |
| Answer» A region consists of uniform electric feild E and uniform gravitational feild g perpendicular to each other ? A particle of charge Q and massm begins to move in this region. Deduce an equation for this trajectory? | |
| 5259. |
A particle rotates along a circle of radius R=\sqrt{2m} .with an angilar acceleration α=π/4 rad/s^2 starting from rest. calculate the magnitute of average velocity of the particle over the time it rotates a quarter circle |
| Answer» A particle rotates along a circle of radius R=\sqrt{2m} .with an angilar acceleration α=π/4 rad/s^2 starting from rest. calculate the magnitute of average velocity of the particle over the time it rotates a quarter circle | |
| 5260. |
A car approaching a crossing at a speed of 20m/s sounds a horn of frequency 500Hz sound in air is 330m/s. What frequency is heard by an observer 60m from the crossing on the straight road which crosses car road at right angles |
| Answer» A car approaching a crossing at a speed of 20m/s sounds a horn of frequency 500Hz sound in air is 330m/s. What frequency is heard by an observer 60m from the crossing on the straight road which crosses car road at right angles | |
| 5261. |
initial velocity of particle is (3i+2j) and accleration is -5i-3j then find path of particle a) straight line b) parabola c) circle |
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Answer» initial velocity of particle is (3i+2j) and accleration is -5i-3j then find path of particle a) straight line b) parabola c) circle |
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| 5262. |
Q:- The ratio of velocity of sound in hydrogen tp the velocity of sound in oxygen given they are at the same temperature is- 1. 4:1 2. 8: |
| Answer» Q:- The ratio of velocity of sound in hydrogen tp the velocity of sound in oxygen given they are at the same temperature is- 1. 4:1 2. 8: | |
| 5263. |
Question 83(ii) The points on the graph below represent the height and weight of the donkey, dog, crocodile and ostrich shown in the drawing. Which point represents each animal? Explain. |
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Answer» Question 83(ii) The points on the graph below represent the height and weight of the donkey, dog, crocodile and ostrich shown in the drawing.  Which point represents each animal? Explain. |
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| 5264. |
A car travels 95 km in 3 hours 1. How will it take to travel 520 km.x 2. How far will travel in 7 hours With the same speed . |
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Answer» A car travels 95 km in 3 hours 1. How will it take to travel 520 km.x 2. How far will travel in 7 hours With the same speed . |
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| 5265. |
Which of the following terms apply to sound waves in air and which to water waves ? Transverse, Rarefaction, Trough, Crest, Compression, Longitudinal |
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Answer» Which of the following terms apply to sound waves in air and which to water waves ? Transverse, Rarefaction, Trough, Crest, Compression, Longitudinal |
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| 5266. |
Which of the following graphs best describes a non-uniform motion correctly? |
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Answer» Which of the following graphs best describes a non-uniform motion correctly? |
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| 5267. |
If the earth is at 14 of the present distance from the sun, then the duration of a year would be: |
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Answer» If the earth is at 14 of the present distance from the sun, then the duration of a year would be: |
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| 5268. |
A block of mass M is released from point P on a rough inclined plane with inclination angle θ, shown in the figure below. The coefficient of friction is μ. if μ<tanθ, then the time taken by the block to reach another point Q on the inclined plane, where PQ= s, is |
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Answer» A block of mass M is released from point P on a rough inclined plane with inclination angle θ, shown in the figure below. The coefficient of friction is μ. if μ<tanθ, then the time taken by the block to reach another point Q on the inclined plane, where PQ= s, is |
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| 5269. |
Men are running in a line along a road with velocity 9 km/h behind one another at equal distances of 20m. Cyclists are also riding along the same line in the same direction at 18km /hr at equal intervals of 30m.The speed with which an observer must travel along the road in opposite direction of so that whenever he meets a runner he also meets a cyclist is |
| Answer» Men are running in a line along a road with velocity 9 km/h behind one another at equal distances of 20m. Cyclists are also riding along the same line in the same direction at 18km /hr at equal intervals of 30m.The speed with which an observer must travel along the road in opposite direction of so that whenever he meets a runner he also meets a cyclist is | |
| 5270. |
It is stated that an object is said to be in uniform motion if it covers equal distances in equal intervals of time hiwsohowsbig or small these time intervals may be..but now for instance I start to reach 60km/he in first hour but I take rest for by stopping it in middle in the second hour but I ultimately will make sure that it reaches 60km/he in the second hour as well..so is this uniform motion? |
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Answer» It is stated that an object is said to be in uniform motion if it covers equal distances in equal intervals of time hiwsohowsbig or small these time intervals may be..but now for instance I start to reach 60km/he in first hour but I take rest for by stopping it in middle in the second hour but I ultimately will make sure that it reaches 60km/he in the second hour as well..so is this uniform motion? |
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| 5271. |
Question 5A stone is thrown in a vertically upward direction with a velocity of 5 ms−1. If the acceleration of the stone during its motion is 10 ms−2 in the downward direction, what will be the height attained by the stone and how much time will it take to reach there? |
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Answer» Question 5 A stone is thrown in a vertically upward direction with a velocity of 5 ms−1. If the acceleration of the stone during its motion is 10 ms−2 in the downward direction, what will be the height attained by the stone and how much time will it take to reach there? |
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| 5272. |
Define displacement of a particle in linear motion. Does it depend upon the origin? Explain |
| Answer» Define displacement of a particle in linear motion. Does it depend upon the origin? Explain | |
| 5273. |
124.the time of oscillation T of a small drop of liquid depends on radius r,density p and surface tension s .the relation beetween them is given by? |
| Answer» 124.the time of oscillation T of a small drop of liquid depends on radius r,density p and surface tension s .the relation beetween them is given by? | |
| 5274. |
a particle is dropped from height h =3R above the surface of the earth of radii R. If g is the accleration due to gravity on the earth surface, then the speed with which the particle strikes the earth surface is |
| Answer» a particle is dropped from height h =3R above the surface of the earth of radii R. If g is the accleration due to gravity on the earth surface, then the speed with which the particle strikes the earth surface is | |
| 5275. |
What informations about the motion of a body are obtained from the displacement-time graph? |
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Answer» What informations about the motion of a body are obtained from the displacement-time graph? |
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| 5276. |
2. why the graph of wave function and distance of 2s becomes zero and rhen negative |
| Answer» 2. why the graph of wave function and distance of 2s becomes zero and rhen negative | |
| 5277. |
In the above 3 figures, the arrows indicate the direction of force and the magnitude of force is written above/below the arrows.Which box is experiencing balanced force? |
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Answer»
In the above 3 figures, the arrows indicate the direction of force and the magnitude of force is written above/below the arrows. Which box is experiencing balanced force? |
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| 5278. |
Name the type of motion in which a body has a constant speed but not constant velocity. |
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Answer» Name the type of motion in which a body has a constant speed but not constant velocity. |
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| 5279. |
An object is placed 10 cm in front of a concave mirror of radius of curvature 10 cm, magnification of the image is |
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Answer» An object is placed 10 cm in front of a concave mirror of radius of curvature 10 cm, magnification of the image is |
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| 5280. |
How does obtaining balance point in the middle of the metre bridge improve the sensitivity?? |
| Answer» How does obtaining balance point in the middle of the metre bridge improve the sensitivity?? | |
| 5281. |
An aeroplane accelerates from rest down a runaway at 3 ms−2 for 30 s until it finally lifts off the ground. Determine the distance travelled before take off. |
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Answer» An aeroplane accelerates from rest down a runaway at 3 ms−2 for 30 s until it finally lifts off the ground. Determine the distance travelled before take off. |
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| 5282. |
The length of two rods measured by a meter scaleare 60.0 cm and 20.0 cm respectively. The least count6.of meter scale is 1 mm. Then(1) First measurement is more accurate(2) Second measurement is more accurateBoth measurement are equally accurate(3)(4) First measurement is more precise |
| Answer» The length of two rods measured by a meter scaleare 60.0 cm and 20.0 cm respectively. The least count6.of meter scale is 1 mm. Then(1) First measurement is more accurate(2) Second measurement is more accurateBoth measurement are equally accurate(3)(4) First measurement is more precise | |
| 5283. |
What force makes a body to float or sink in a liquid? |
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Answer» What force makes a body to float or sink in a liquid? |
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| 5284. |
41. Why is the direction of angular velocity in clockwise direction 'omega',is directed towards the plane and why is the angular velocity for anticlockwise rotation directed out of the plane? |
| Answer» 41. Why is the direction of angular velocity in clockwise direction 'omega',is directed towards the plane and why is the angular velocity for anticlockwise rotation directed out of the plane? | |
| 5285. |
How many litres of water can a vessel of length 33 cm, breadth 77 cm and height 22 cm contain when it is full ? |
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Answer» How many litres of water can a vessel of length 33 cm, breadth 77 cm and height 22 cm contain when it is full ? |
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| 5286. |
If a resistance coil is made by joining in parallel two resistor each of 20 Ω. An EMF of 2 V is applied across this coil for 100 seconds. The heat produced in the coil is - |
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Answer» If a resistance coil is made by joining in parallel two resistor each of 20 Ω. An EMF of 2 V is applied across this coil for 100 seconds. The heat produced in the coil is - |
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| 5287. |
A person pushing a wall hard is liable to fall back. Give reason. |
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Answer» A person pushing a wall hard is liable to fall back. Give reason. |
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| 5288. |
73. Why is the relative density is with repect to water at 4 degree Celsius only? Why does the water shows anormal behaviour at that temperature? |
| Answer» 73. Why is the relative density is with repect to water at 4 degree Celsius only? Why does the water shows anormal behaviour at that temperature? | |
| 5289. |
a golfer standing on level ground hit a Ball with a velocity of u=52 m/s at an angle of q above the horizontal.if tan=5/12 .then time interval for which the ball is at least 15cm above the ground |
| Answer» a golfer standing on level ground hit a Ball with a velocity of u=52 m/s at an angle of q above the horizontal.if tan=5/12 .then time interval for which the ball is at least 15cm above the ground | |
| 5290. |
A storage battery of emf E and internal resistance r is being charged by a battery of emf 15E using a series resistor of 14r. The terminal voltage of storage battery during charging is(1) 29E15 (2) 29E14 (3) E15 (4) E14 |
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Answer» A storage battery of emf E and internal resistance r is being charged by a battery of emf 15E using a series resistor of 14r. The terminal voltage of storage battery during charging is (1) 29E15 (2) 29E14 (3) E15 (4) E14 |
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| 5291. |
108.A non-conducting ring of radius 1m carries a total charge 2C distributed non-uniformly on its circumference producing an electric field at all points of the space. Then l=0 to l=infinity(limits)/F. dl=? (where F is force on charge 1nC due to the ring and l=0 corresponds to the center of the ring |
| Answer» 108.A non-conducting ring of radius 1m carries a total charge 2C distributed non-uniformly on its circumference producing an electric field at all points of the space. Then l=0 to l=infinity(limits)/F. dl=? (where F is force on charge 1nC due to the ring and l=0 corresponds to the center of the ring | |
| 5292. |
who discovered proton? Ernest Rutherford (or) Goldstein |
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Answer» who discovered proton? Ernest Rutherford (or) Goldstein |
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| 5293. |
A hollow metal sphere is filled with water through a small hole in it. It is hanging by a long thread and is made to oscillate. Water slowly flows out of the hole at the bottom. How will the period of oscillation will be affected |
| Answer» A hollow metal sphere is filled with water through a small hole in it. It is hanging by a long thread and is made to oscillate. Water slowly flows out of the hole at the bottom. How will the period of oscillation will be affected | |
| 5294. |
two bodies of masses of 4kg and 6kg are tied to the ends of a massless string passes over a frictionless pulley. the acceleration of the system is |
| Answer» two bodies of masses of 4kg and 6kg are tied to the ends of a massless string passes over a frictionless pulley. the acceleration of the system is | |
| 5295. |
A body of mass 2 kg is thrown vertically upwards with an initial velocity of 20 m/s. What will be its potential energy at the end of 2 s ? (Assume g = 10 m/s2). |
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Answer» A body of mass 2 kg is thrown vertically upwards with an initial velocity of 20 m/s. What will be its potential energy at the end of 2 s ? (Assume g = 10 m/s2). |
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| 5296. |
Show that the energy flow in an ecosystem is linear |
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Answer» Show that the energy flow in an ecosystem is linear |
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| 5297. |
the acceleration of particle is given by a=-w²x and x = A sin wt find velocity |
| Answer» the acceleration of particle is given by a=-w²x and x = A sin wt find velocity | |
| 5298. |
41. If block A of the pulley system is moving downward with a speed of 1m/s while block C is moving up at 0.5m/s, determine the speed of block B? |
| Answer» 41. If block A of the pulley system is moving downward with a speed of 1m/s while block C is moving up at 0.5m/s, determine the speed of block B? | |
| 5299. |
Wavelength of a sound wave is defined as: |
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Answer» Wavelength of a sound wave is defined as: |
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| 5300. |
A, B, and C start running simultaneously from a point on a circular track 600 m long with speeds of 40 m/s, 70 m/s, and 80 m/s, respectively. A and B are moving in a clockwise direction, while C is moving in an anticlockwise direction. After how many seconds will all the three be together for the first time on the track? |
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Answer» A, B, and C start running simultaneously from a point on a circular track 600 m long with speeds of 40 m/s, 70 m/s, and 80 m/s, respectively. A and B are moving in a clockwise direction, while C is moving in an anticlockwise direction. After how many seconds will all the three be together for the first time on the track? |
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