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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.
| 5751. |
Question 1(ii)The following graph shows the temperature of a patient in a hospital, recorded every hourWhen was the patient’s temperature 38.5∘ C? |
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Answer» Question 1(ii) The following graph shows the temperature of a patient in a hospital, recorded every hour  When was the patient’s temperature 38.5∘ C? |
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| 5752. |
If the displacement of a body is in direct proportion to the square of the time lapsed, then the acceleration is |
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Answer» If the displacement of a body is in direct proportion to the square of the time lapsed, then the acceleration is |
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| 5753. |
Question 16For hearing the loudest ticking sound heard by the ear, find the angle x in the Figure. |
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Answer» Question 16 For hearing the loudest ticking sound heard by the ear, find the angle x in the Figure.  |
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| 5754. |
2 plastic balls have masses of 100 g and 200 g. The 100 g ball is moving at 3 ms−1 and hits the 200 g stationary ball. They collide with each other and after the collision, the 100 g ball moves with a velocity of 1.5 ms−1 in the same direction. Calculate the velocity of the other ball after collision. |
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Answer» 2 plastic balls have masses of 100 g and 200 g. The 100 g ball is moving at 3 ms−1 and hits the 200 g stationary ball. They collide with each other and after the collision, the 100 g ball moves with a velocity of 1.5 ms−1 in the same direction. Calculate the velocity of the other ball after collision. |
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| 5755. |
The ratio of the magnetic field at distance 30cm and 60cm respectively from the centre of a bar magnet is 25:2. Determine the length of the magnet |
| Answer» The ratio of the magnetic field at distance 30cm and 60cm respectively from the centre of a bar magnet is 25:2. Determine the length of the magnet | |
| 5756. |
Sound is produced when a body undergoes to-and-fro movement. However, no sound is heard when we wave our hand. Why? |
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Answer» Sound is produced when a body undergoes to-and-fro movement. However, no sound is heard when we wave our hand. Why? |
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| 5757. |
If we dropped an object of mass "m" from a height of 'h' and ''H" (h>H) respectively and in both situations object strikes ground. In which situation the ground experience greater force? |
| Answer» If we dropped an object of mass "m" from a height of 'h' and ''H" (h>H) respectively and in both situations object strikes ground. In which situation the ground experience greater force? | |
| 5758. |
Find the current in the given circuit |
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Answer» Find the current in the given circuit |
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| 5759. |
Why is it so that when a bus suddenly starts moving. the passengers tend to fall backward and when it stops suddenly, the passengers tend to learn forward. |
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Answer» Why is it so that when a bus suddenly starts moving. the passengers tend to fall backward and when it stops suddenly, the passengers tend to learn forward. |
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| 5760. |
a body whose weight is 60 g on earth surface at which height above the earth surface the body weight becomes 30 kg |
| Answer» a body whose weight is 60 g on earth surface at which height above the earth surface the body weight becomes 30 kg | |
| 5761. |
How are the moths able to escape from the bats? [2 MARKS] |
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Answer» How are the moths able to escape from the bats? [2 MARKS] |
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| 5762. |
Private Quelch looked like a 'Professor' when the author first met him at the training depot. Why? |
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Answer» Private
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| 5763. |
Find the initial velocity of a car which is stopped in 10 seconds by applying brakes. The retardation due to brakes 2.5 m/s2. |
| Answer» Find the initial velocity of a car which is stopped in 10 seconds by applying brakes. The retardation due to brakes 2.5 m/s2. | |
| 5764. |
What is the inertia of an object and how to calculate it? |
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Answer» What is the inertia of an object and how to calculate it? |
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| 5765. |
Which of the given forces act on a toy car when we move it on the ground with our hand ? |
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Answer» Which of the given forces act on a toy car when we move it on the ground with our hand ?
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| 5766. |
The relation between g and G is– |
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Answer» The relation between g and G is– |
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| 5767. |
A galvanameter has 100Ω. It gets damaged if more than 1 mA is passed through it. When connected R1 it could accept 10A maximum. If R2 is connected instead of R1 it measures 10 V. The product of R1 to R2 is 99B) 199C) 101D) 1100 |
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Answer» A galvanameter has 100Ω. It gets damaged if more than 1 mA is passed through it. When connected R1 it could accept 10A maximum. If R2 is connected instead of R1 it measures 10 V. The product of R1 to R2 is 99 B) 199 C) 101 D) 1100 |
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| 5768. |
Make a match A group B group 1. Fluid a. Higher pressure 2. Blunt knife b. Atmospheric pressure 3. sharp needle c. Specific gravity 4.Relative density d. Lower pressure 5. Hecto pascal e. Same pressure in all directions |
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Answer» Make a match
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| 5769. |
Radiation (lambda=280nm) is incident on an isolated metallic sphere of radius 4.5cm. Work function of the metal is 2.4 ev. The maximum charge accumulated on the metal surface is |
| Answer» Radiation (lambda=280nm) is incident on an isolated metallic sphere of radius 4.5cm. Work function of the metal is 2.4 ev. The maximum charge accumulated on the metal surface is | |
| 5770. |
Work required to raise a stone of mass 5kg and relative density 3,lying at the bed of a lake , through a height of 3m is (a)25J(b)40J (c)75J(d)100J? |
| Answer» Work required to raise a stone of mass 5kg and relative density 3,lying at the bed of a lake , through a height of 3m is (a)25J(b)40J (c)75J(d)100J? | |
| 5771. |
A boy takes 3 minutes to lift a 20-liter water bucket from a 20 m deep well, while his father does it in 2 minutes. Compare(i) the work and(ii) power developed by them. Take density of water=103 kg m−3 and g=9.8 N kg−1. |
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Answer» A boy takes 3 minutes to lift a 20-liter water bucket from a 20 m deep well, while his father does it in 2 minutes. Compare (i) the work and (ii) power developed by them. Take density of water=103 kg m−3 and g=9.8 N kg−1. |
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| 5772. |
Define motion. What do you understand by the terms 'uniform motion' and 'non-uniform motion' ? Explain with examples. |
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Answer» Define motion. What do you understand by the terms 'uniform motion' and 'non-uniform motion' ? Explain with examples. |
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| 5773. |
ntif relation between accleration and time for an object is given by a=2t+4t calculate the position of object from origin at t=4s.n |
| Answer» ntif relation between accleration and time for an object is given by a=2t+4t calculate the position of object from origin at t=4s.n | |
| 5774. |
The relative density of a substance is 0.76, it will [ρwater=1000 kg m−3] |
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Answer» The relative density of a substance is 0.76, it will [ρwater=1000 kg m−3] |
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| 5775. |
What is the physical state of liquified petroleum gas when used as a fuel? |
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Answer» What is the physical state of liquified petroleum gas when used as a fuel? |
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| 5776. |
Increase in KE of a car E1 when it is accelerated from 15 m/s to 20 m/s and increase in KE of a car is E2 when it is accelerated from 20 m/s to 25 m/s . Find E1/E2 . |
| Answer» Increase in KE of a car E1 when it is accelerated from 15 m/s to 20 m/s and increase in KE of a car is E2 when it is accelerated from 20 m/s to 25 m/s . Find E1/E2 . | |
| 5777. |
Which scale of temperature is commonly used and why? |
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Answer» Which scale of temperature is commonly used and why? |
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| 5778. |
Law of conservation of energy is same as law of conservation of mass as they both are equivalent to each other??! |
| Answer» Law of conservation of energy is same as law of conservation of mass as they both are equivalent to each other??! | |
| 5779. |
The force with which the earth attracts a body towards itself is called |
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Answer» The force with which the earth attracts a body towards itself is called |
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| 5780. |
A boy measures the length of a pencil and expresses it to be 2.6 cm. What is the accuracy of his measurement ? Can he write it as 2.60 cm ? |
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Answer» A boy measures the length of a pencil and expresses it to be 2.6 cm. What is the accuracy of his measurement ? Can he write it as 2.60 cm ? |
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| 5781. |
What do you mean by motion in one direction ? |
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Answer» What do you mean by motion in one direction ? |
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| 5782. |
22(3)(4) None of these62. A 1 kg block is being pushed against a wall by a force F = 75 N as shown in the figure. The coeriction is 0.25. The magnitude of acceleration of the block is6ON46N370(1) 10 m/s220 m/s?(3) 5 m/s2(4) None of these |
| Answer» 22(3)(4) None of these62. A 1 kg block is being pushed against a wall by a force F = 75 N as shown in the figure. The coeriction is 0.25. The magnitude of acceleration of the block is6ON46N370(1) 10 m/s220 m/s?(3) 5 m/s2(4) None of these | |
| 5783. |
Motion of a satellite in a circular orbit is an example of |
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Answer» Motion of a satellite in a circular orbit is an example of |
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| 5784. |
An artificial satellite is moving in a circular orbit of radius 8400 km around the earth. What is its speed if it takes one day to complete one revolution? |
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Answer» An artificial satellite is moving in a circular orbit of radius 8400 km around the earth. What is its speed if it takes one day to complete one revolution? |
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| 5785. |
A Force of F=(6i-3j)N acts on a mass of 2kg. What is the magnitude of acceleration? |
| Answer» A Force of F=(6i-3j)N acts on a mass of 2kg. What is the magnitude of acceleration? | |
| 5786. |
A loader applied 150 N of force to lift a stone. 1250 joules of work was done. How far was the rock lifted? |
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Answer» A loader applied 150 N of force to lift a stone. 1250 joules of work was done. How far was the rock lifted? |
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| 5787. |
If velocity of a galaxy relative to earth is 1.2x106 m/s, then percentage increase in wavelength of liofrom galaxy as compared to similar source on earth will be(1) 0.3%(2) 0.4%(3) 0.5%(4) 0.6% |
| Answer» If velocity of a galaxy relative to earth is 1.2x106 m/s, then percentage increase in wavelength of liofrom galaxy as compared to similar source on earth will be(1) 0.3%(2) 0.4%(3) 0.5%(4) 0.6% | |
| 5788. |
A block of plastic released under water come up to the surface of water because___________. |
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Answer» A block of plastic released under water come up to the surface of water because___________. |
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| 5789. |
A cylindrical conductor of length L and radius r has a resistance R. What will be the radius of another conductor of the same material of length 2L and resistance R? |
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Answer» A cylindrical conductor of length L and radius r has a resistance R. What will be the radius of another conductor of the same material of length 2L and resistance R? |
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| 5790. |
Two paper screens Sand B are separated by distance 100m.A bullet penetrates A and A at point P and A respectively where A is 10cm below P.If bullet is travelling at the time of hitting A.the velocity bullet at A is nearly |
| Answer» Two paper screens Sand B are separated by distance 100m.A bullet penetrates A and A at point P and A respectively where A is 10cm below P.If bullet is travelling at the time of hitting A.the velocity bullet at A is nearly | |
| 5791. |
A boat carrying steel balls is floating on the surface of water in a tank. If the balls are thrown into the tank one by one , how will it affect the level of water? |
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Answer» A boat carrying steel balls is floating on the surface of water in a tank. If the balls are thrown into the tank one by one , how will it affect the level of water? |
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| 5792. |
Give one example of a situation in which a body has a certain average speed but its average velocity is zero. |
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Answer» Give one example of a situation in which a body has a certain average speed but its average velocity is zero. |
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| 5793. |
What is the relation between work and energy ? How work=energy? |
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Answer» What is the relation between work and energy ? How work=energy? |
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| 5794. |
4.A plane is in level flight at constant speed and each of its two wings has an area of 25 m square. if the speed of the air is 180 kilometre per hour over the lower wing and 234 kilometer per hour over the upper wing surface, determine the plane's mass. (take air density to be 1 kg per metre cube). |
| Answer» 4.A plane is in level flight at constant speed and each of its two wings has an area of 25 m square. if the speed of the air is 180 kilometre per hour over the lower wing and 234 kilometer per hour over the upper wing surface, determine the plane's mass. (take air density to be 1 kg per metre cube). | |
| 5795. |
Question 23What is the difference between a direct current and an alternating current? How many times does AC used in India change direction in one second? |
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Answer» Question 23 |
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| 5796. |
How much charge must be passed through a cross section area of a wire in 50 sec for current to be 0.1 A? |
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Answer» How much charge must be passed through a cross section area of a wire in 50 sec for current to be 0.1 A? |
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| 5797. |
ntThe ceiling of a long hall is 30 m high. What is the maximum horizontal distance that a ball thrown with a speed 45 ms1 can go without hitting the ceiling of the wall? [take g = 10 m/s2]n ntn ntn |
| Answer» ntThe ceiling of a long hall is 30 m high. What is the maximum horizontal distance that a ball thrown with a speed 45 ms1 can go without hitting the ceiling of the wall? [take g = 10 m/s2]n ntn ntn | |
| 5798. |
The question solve by the sir was wrong. Fricton force given =5000 for a wagon but they have considered force of for 4wagons as 4000. Kindly tell me what I say is correct or wrong.Kindly ensure it. Your regards, Aniruddha |
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Answer» The question solve by the sir was wrong. Fricton force given =5000 for a wagon but they have considered force of for 4wagons as 4000. Kindly tell me what I say is correct or wrong.Kindly ensure it. Your regards, Aniruddha |
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| 5799. |
What is the function of three tiny bones in the ear ? |
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Answer» What is the function of three tiny bones in the ear ? |
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| 5800. |
A boy throws a ball up and catches it when the ball falls back. In which part of the motion the ball is accelerating? |
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Answer» A boy throws a ball up and catches it when the ball falls back. In which part of the motion the |
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