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.
| 4251. |
A little boy was playing tug of war with his elder brother; he tried everything but was unsuccessful in pulling the rope towards himself. Statement1: Elder brother was capable of applying a greater force than his younger brother and hence the net force was in a direction to make him win. Statement2: An object moves in the direction of the net force acting on it. |
|
Answer» A little boy was playing tug of war with his elder brother; he tried everything but was unsuccessful in pulling the rope towards himself. Statement1: Elder brother was capable of applying a greater force than his younger brother and hence the net force was in a direction to make him win. Statement2: An object moves in the direction of the net force acting on it. |
|
| 4252. |
23.2 train are moving in a straight line in the same direction with the speed of 80km/h the relative velocity of 1 train w.r.t other |
| Answer» 23.2 train are moving in a straight line in the same direction with the speed of 80km/h the relative velocity of 1 train w.r.t other | |
| 4253. |
What is the length of vocal cords in a man ? |
|
Answer» What is the length of vocal cords in a man ? |
|
| 4254. |
The initial temperatures of two bodies B and C were T1 and T2 respectively. They are brought into contact and heat starts flowing from C to B until their temperature reaches T. Which of the following is true? |
|
Answer» The initial temperatures of two bodies B and C were T1 and T2 respectively. They are brought into contact and heat starts flowing from C to B until their temperature reaches T. Which of the following is true? |
|
| 4255. |
A current of 2.5 A flows in a circuit for 0.45 s. What is the electric charge in the circuit? |
|
Answer» A current of 2.5 A flows in a circuit for 0.45 s. What is the electric charge in the circuit? |
|
| 4256. |
Choose the correct option: Statement 1: Some animals start showing abnormal behavior before earthquake comes. However, human beings do not feel anything before the main shock. Statement 2: Earthquake produces infrasonic waves, with a frequency less than 20 Hz, before the main shock. Some animals are able to perceive the infrasonic waves so they start showing abnormal behavior. However, human beings are not able to perceive these infrasonic waves. So, they don't show any reaction. |
|
Answer» Choose the correct option: Statement 1: Some animals start showing abnormal behavior before earthquake comes. However, human beings do not feel anything before the main shock. |
|
| 4257. |
The no. of tuning forks are arranged in the order of increasing frequency and any two successive tuning forks produce 4 beats per second,when sounded together if the last tuning fork has a frequency octave higher than that of the first tuning fork and the frequency of the first tuning fork is 256 Hz,then the no. of tuning forks is ? |
| Answer» The no. of tuning forks are arranged in the order of increasing frequency and any two successive tuning forks produce 4 beats per second,when sounded together if the last tuning fork has a frequency octave higher than that of the first tuning fork and the frequency of the first tuning fork is 256 Hz,then the no. of tuning forks is ? | |
| 4258. |
If a body experiences a force of 150 newton and has mass of 20kg and is moving in the positive 'x' direction wih initial.speed of 8m/s and takes t time to return to its original position if the force is retarding . Find the point 'x' on the x-axis where the velocity of the body is doubled of initial speed |
| Answer» If a body experiences a force of 150 newton and has mass of 20kg and is moving in the positive 'x' direction wih initial.speed of 8m/s and takes t time to return to its original position if the force is retarding . Find the point 'x' on the x-axis where the velocity of the body is doubled of initial speed | |
| 4259. |
What is different between current flowing through liquid and current flowing through solids. |
|
Answer» What is different between current flowing through liquid and current flowing through solids. |
|
| 4260. |
Prove that, }\lbrack\overline a×\overline{bb}×\overline{cc}×\overline a\rbrack=\lbrack\overline a\overline b\overline c\rbrack^2 |
| Answer» Prove that, }\lbrack\overline a×\overline{bb}×\overline{cc}×\overline a\rbrack=\lbrack\overline a\overline b\overline c\rbrack^2 | |
| 4261. |
Question 19An object is dropped from rest at a height of 150 m and simultaneously another object is dropped from rest at a height of 100 m. What is the difference in their heights after 2 s if both the objects drop under the same acceleration? How does the difference in heights vary with time? |
|
Answer» Question 19 An object is dropped from rest at a height of 150 m and simultaneously another object is dropped from rest at a height of 100 m. What is the difference in their heights after 2 s if both the objects drop under the same acceleration? How does the difference in heights vary with time? |
|
| 4262. |
Question 2Give two examples of situations in which applied force causes a change in the shape of an object |
|
Answer» Question 2 |
|
| 4263. |
A tuning fork of frequency 340 Hz is vibrated just above the tube of 120 cm height. Water is poured slowly in the tube. What is the minimum height of water necessary for the resonance?(speed of sound in air = 340 m/s) |
|
Answer» A tuning fork of frequency 340 Hz is vibrated just above the tube of 120 cm height. Water is poured slowly in the tube. What is the minimum height of water necessary for the resonance? |
|
| 4264. |
Reaction of metal with acid, sovle with proper equation? |
| Answer» Reaction of metal with acid, sovle with proper equation? | |
| 4265. |
Explain the experiment, with neat diagram, to prove the following:'Sound needs material medium for propagation.' |
|
Answer» Explain the experiment, with neat diagram, to prove the following: 'Sound needs material medium for propagation.' |
|
| 4266. |
The __________ in ear senses the vibrations of sound, it sends the signals to the brain. This process is called hearing. |
|
Answer» The __________ in ear senses the vibrations of sound, it sends the signals to the brain. This process is called hearing. |
|
| 4267. |
Identify the common component used in these following appliances. |
|
Answer» Identify the common component used in these following appliances. |
|
| 4268. |
a balloon is moving up from ground in such a way that its acceleration is linearly decreasing with its height from above the ground. it start from the ground with acceleration 4m/s_2 and with zero initial velocity. its acceleration becomes zero at height 3m. the speed of balloon at a height 1.5 m is1.4m/s 2.8m/s 3.6m/s 4.3m/s |
|
Answer» a balloon is moving up from ground in such a way that its acceleration is linearly decreasing with its height from above the ground. it start from the ground with acceleration 4m/s_2 and with zero initial velocity. its acceleration becomes zero at height 3m. the speed of balloon at a height 1.5 m is 1.4m/s 2.8m/s 3.6m/s 4.3m/s |
|
| 4269. |
Which of the following produces diffuse reflection of light? (a) mirror on a dressing table (b) water surface of a pond (c) screen in a cinema hall (d) polished wooden table |
|
Answer» Which of the following produces diffuse reflection of light? (a) mirror on a dressing table (b) water surface of a pond (c) screen in a cinema hall (d) polished wooden table |
|
| 4270. |
reversible raction occur at similatr condition of pressure apnd tempera tur |
| Answer» reversible raction occur at similatr condition of pressure apnd tempera tur | |
| 4271. |
A cannon of mass 1000 kg can fire a bolt of 20 kg with a muzzle velocity of 300 m/s. If the cannon is free to move, the backward velocity of cannon after the bolt is fired is: |
|
Answer» A cannon of mass 1000 kg can fire a bolt of 20 kg with a muzzle velocity of 300 m/s. If the cannon is free to move, the backward velocity of cannon after the bolt is fired is: |
|
| 4272. |
State the difference between uniform motion and non-uniform motion. |
|
Answer» State the difference between uniform motion and non-uniform motion. |
|
| 4273. |
Two Charges 1 coulomb and-9 coulomb kept 1 metre apart. Where should a third charge be placed so that it does not experience any force. |
| Answer» Two Charges 1 coulomb and-9 coulomb kept 1 metre apart. Where should a third charge be placed so that it does not experience any force. | |
| 4274. |
Electric potential energy for system of n charges |
| Answer» Electric potential energy for system of n charges | |
| 4275. |
What conditions are required for a lunar eclipse? |
|
Answer» What conditions are required for a lunar eclipse? |
|
| 4276. |
Four metal balls A, B, C and D having radius of 2.5 cm each are made of copper, aluminium, gold and iron respectively. The densities of copper, aluminium, gold and iron are 8.9 g/cm3, 2.7 g/cm3, 19.3 g/cm3 and 7.8 g/cm3 respectively. When the balls A, B, C and D are tied to threads, suspended from the hook of a spring balance and immersed completely in strong salty water, one by one, the apparent loss in weight will be :(1) maximum in ball B(2) maximum in ball C(3) minimum in ball B(4) same in all the balls |
|
Answer» Four metal balls A, B, C and D having radius of 2.5 cm each are made of copper, aluminium, gold and iron respectively. The densities of copper, aluminium, gold and iron are 8.9 g/cm3, 2.7 g/cm3, 19.3 g/cm3 and 7.8 g/cm3 respectively. When the balls A, B, C and D are tied to threads, suspended from the hook of a spring balance and immersed completely in strong salty water, one by one, the apparent loss in weight will be : (1) maximum in ball B (2) maximum in ball C (3) minimum in ball B (4) same in all the balls |
|
| 4277. |
In space, an object maintains its orbit due to the |
|
Answer» In space, an object maintains its orbit due to the |
|
| 4278. |
State some precautions to be taken while measuring length with the help of a metre scale. |
|
Answer» State some precautions to be taken while measuring length with the help of a metre scale. |
|
| 4279. |
Question 13During dry weather, clothes made of synthetic fibre often stick to the skin. Which type of force is responsible for this phenomenon? |
|
Answer» Question 13 |
|
| 4280. |
A closed hollow insulated cylinder is filled with gas at0^° C and also contains an insulated piston of negligibleweight and negligible thickness at the middle point. Thegas on one side of the piston is heated to 100^° C. If thepiston moves 5 cm the length of the hollow cylinder is(a) 13.65 cm(bc) 38.6 (crm27.3 cm(d) 64.6 cm |
| Answer» A closed hollow insulated cylinder is filled with gas at0^° C and also contains an insulated piston of negligibleweight and negligible thickness at the middle point. Thegas on one side of the piston is heated to 100^° C. If thepiston moves 5 cm the length of the hollow cylinder is(a) 13.65 cm(bc) 38.6 (crm27.3 cm(d) 64.6 cm | |
| 4281. |
How are sound waves produced in air? Describe the process of production of sound in a human larynx in brief. |
|
Answer» How are sound waves produced in air? Describe the process of production of sound in a human larynx in brief. |
|
| 4282. |
A domestic lighting circuit has a fuse of 5 A. If the main supply is at 230 V. Calculate the maximum number of 36 W tube-lights that can be safely used in this circuit. |
|
Answer» A domestic lighting circuit has a fuse of 5 A. If the main supply is at 230 V. Calculate the maximum number of 36 W tube-lights that can be safely used in this circuit. |
|
| 4283. |
The position of a particle is given by r= 3t^2i - 8tj + 10k where t is in seconds and coefficients have the proper units for to be in metres. The angle between acceleration and velocity vector at t = 1 s is |
| Answer» The position of a particle is given by r= 3t^2i - 8tj + 10k where t is in seconds and coefficients have the proper units for to be in metres. The angle between acceleration and velocity vector at t = 1 s is | |
| 4284. |
If a particle is executing simple harmonic motion, then acceleration of particle(1) Is uniform (2) Varies linearly with time(3) Is non uniform (4) Both (2) & (3) |
|
Answer» If a particle is executing simple harmonic motion, then acceleration of particle (1) Is uniform (2) Varies linearly with time (3) Is non uniform (4) Both (2) & (3) |
|
| 4285. |
Sir Does your team have any short cut or trick to solve problems it may differ from concepts to concept For eg: elimination |
|
Answer» Sir Does your team have any short cut or trick to solve problems it may differ from concepts to concept For eg: elimination |
|
| 4286. |
Two resistors of resistor 2Ω and 5Ω are connected in series with a 7V battery. Find the potential difference across the 5Ω resistor. |
|
Answer» Two resistors of resistor 2Ω and 5Ω are connected in series with a 7V battery. Find the potential difference across the 5Ω resistor.
|
|
| 4287. |
On which principle does a rocket work, law of conservation of momentum or third law of Newton. |
| Answer» On which principle does a rocket work, law of conservation of momentum or third law of Newton. | |
| 4288. |
When we put our ear to a railway line, we can hear the sound of an approaching train even when the train is far off but its sound cannot be heard through the air. Why? |
|
Answer» When we put our ear to a railway line, we can hear the sound of an approaching train even when the train is far off but its sound cannot be heard through the air. Why? |
|
| 4289. |
Calculate the freezing point of solution obtained by Mixing of 28.4g of Na2SO4 in 200g of water if alpha is 75% |
| Answer» Calculate the freezing point of solution obtained by Mixing of 28.4g of Na2SO4 in 200g of water if alpha is 75% | |
| 4290. |
14.A block placed on a rough inclined plane of lenght 4m just begns to slide down when the upper end of the plane is 1m high from the ground .calculate the coefficient of static friction. |
| Answer» 14.A block placed on a rough inclined plane of lenght 4m just begns to slide down when the upper end of the plane is 1m high from the ground .calculate the coefficient of static friction. | |
| 4291. |
Does a plane mirror form a real image or a virtual image? |
| Answer» Does a plane mirror form a real image or a virtual image? | |
| 4292. |
a particle of mass 100g is made to describe a vertical circle of radius 1m.its instantaneous speed is 1m/s when the string makes an angle of 30 degree with the vertical.find the tension in the string at this position.can the particle complete its circular path? |
| Answer» a particle of mass 100g is made to describe a vertical circle of radius 1m.its instantaneous speed is 1m/s when the string makes an angle of 30 degree with the vertical.find the tension in the string at this position.can the particle complete its circular path? | |
| 4293. |
Why is AMBULANCE written backward in an ambulance? |
|
Answer» Why is AMBULANCE written backward in an ambulance?
|
|
| 4294. |
Speed of sound in a medium _________ with increase in temperature. |
|
Answer» Speed of sound in a medium _________ with increase in temperature. |
|
| 4295. |
At 444^° C, the equilibrium constant K for the reaction 2AB gives A2 +B2,The degree of dissociation of AB will be -(A) 10%(C) 30%(B) 20(D) 50% |
| Answer» At 444^° C, the equilibrium constant K for the reaction 2AB gives A2 +B2,The degree of dissociation of AB will be -(A) 10%(C) 30%(B) 20(D) 50% | |
| 4296. |
Question 6An object of mass 2 kg is sliding with a constant velocity of 4 ms-1 on a frictionless horizontal table. The force required to keep the object moving with the same velocity is(a) 32 N(b) 0 N(c) 2 N(d) 8 N |
|
Answer» Question 6 An object of mass 2 kg is sliding with a constant velocity of 4 ms-1 on a frictionless horizontal table. The force required to keep the object moving with the same velocity is (a) 32 N (b) 0 N (c) 2 N (d) 8 N |
|
| 4297. |
write the function of ear drum |
|
Answer» write the function of ear drum |
|
| 4298. |
Prove focal length= 1/2of radius OS Spherical mirror |
| Answer» Prove focal length= 1/2of radius OS Spherical mirror | |
| 4299. |
a geo stationary satelite is orbitting the earth at a height of 6R above the surface of earth. the time period of another satellite at 3.5R from the centre of earth is |
| Answer» a geo stationary satelite is orbitting the earth at a height of 6R above the surface of earth. the time period of another satellite at 3.5R from the centre of earth is | |
| 4300. |
In parallel plate capacitor.what is sigma upon 2 absolute not. |
|
Answer» In parallel plate capacitor. what is sigma upon 2 absolute not. |
|
