Physics Questions

Q:

The velocity of light in vacuum is

A) 3 x 108 m/s B) 2 x 108 m/s
C) 3 x 107 m/s D) 3 x 106 m/s
 
Answer & Explanation Answer: A) 3 x 108 m/s

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Q:

The complete form of 'IC' in electronics is

A) Internal circuit B) Independent circuit
C) Integrated circuit D) Inbuilt circuit
 
Answer & Explanation Answer: C) Integrated circuit

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Q:

Which of the following is NOT based on principle of relationship between volume and pressure of air?

A) Fountain pen B) Bicycle pump
C) Hand pump D) Pulley
 
Answer & Explanation Answer: D) Pulley

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Q:

If the resistance of a conductor is doubled, the current gets halved. This is because

A) I = V - R B) I = V/R
C) I = Rn/V D) I = VR
 
Answer & Explanation Answer: B) I = V/R

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Q:

The value of g on the moon is 1/6th of the value of g on the earth. If a man can jump 1.5 m high on the earth, on the moon, be can jump up to a height of

A) 4.5 m B) 9 m
C) 6 m D) 7.5 m
 
Answer & Explanation Answer: B) 9 m

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Q:

A spoon which looks bent is an example of which of the following?

A) Reflection B) Refraction
C) Retention D) Focus
 
Answer & Explanation Answer: B) Refraction

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Q:

The mass per unit volume is called

A) Force B) Work
C) Density D) Pressure
 
Answer & Explanation Answer: C) Density

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Q:

The instrument that measures the ______________ is called an anemometer.

A) wind speed B) pressure
C) humidity D) rainfall
 
Answer & Explanation Answer: A) wind speed

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