Physics Questions

Q:

Which bulb operates on lowest power?

A) Night bulb B) Torch bulb
C) Neon bulb D) GLS bulb
 
Answer & Explanation Answer: B) Torch bulb

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Q:

Which motion has magnitude of static frictional force directly proportional to normal reaction?

A) Impending motion B) Actual motion
C) Both 1 and 2 D) None of the above
 
Answer & Explanation Answer: A) Impending motion

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Q:

The distance-time graph for the motion of an object moving with a constant speed is a __________.

A) Dot B) Circle
C) Straight Line D) Curve
 
Answer & Explanation Answer: C) Straight Line

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Q:

An object having a capability to do work is said to possess __________.

A) force B) moment
C) momentum D) energy
 
Answer & Explanation Answer: D) energy

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Q:

In the equation of motion v = u + at, u represents _________________

A) initial velocity B) final velocity
C) kinetic energy D) potential energy
 
Answer & Explanation Answer: A) initial velocity

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Q:

Why the Earth is having its own atmosphere ?

A) Winds B) Clouds
C) Gravity D) Rotation of the Earth
 
Answer & Explanation Answer: C) Gravity

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Q:

At what temperature (in degree celsius), the numerical values on Celsius and Fahrenheit scales become equal?

A) –40 B) 40
C) 273 D) -273
 
Answer & Explanation Answer: A) –40

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Q:

The first equation of motion gives the relation between

A) position and time B) position and velocity
C) velocity and time D) velocity and acceleration
 
Answer & Explanation Answer: C) velocity and time

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