Physics Questions

Q:

Choose the most appropriate answer:Natural radioactivity was discovered by

A) Marie Curie B) Earnest Rutherford
C) Henry Bacquerel D) Enrico Fermi
 
Answer & Explanation Answer: C) Henry Bacquerel

Explanation:

Natural radioactivity was discovered by Henri Bacquerel.

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Q:

Which of the following is not a vector quantity?

A) Momentum B) Displacement
C) Torque D) Speed
 
Answer & Explanation Answer: D) Speed

Explanation:
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Q:

Which one among the following components can not be developed within an "integrated circuit"?

A) Diode B) Triode
C) Transformer D) Transistor
 
Answer & Explanation Answer: C) Transformer

Explanation:
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Q:

Air moves from the region where the air _____________________________.

A) humidity is high to the region where the humidity is low B) pressure is low to the region where the pressure is high
C) pressure is high to the region where the pressure is low   D) humidity is low to the region where the humidity is high  
 
Answer & Explanation Answer: C) pressure is high to the region where the pressure is low  

Explanation:
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Q:

In a qualitative way, the tendency of undisturbed objects to stay at rest or to keep moving with the same velocity is called _________.

A) force B) acceleration
C) friction D) inertia
 
Answer & Explanation Answer: D) inertia

Explanation:
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Q:

If an object moves in a circular path with uniform ________, its motion is called uniform circular motion.

A) speed B) Time
C) Velocity D) Acceleration
 
Answer & Explanation Answer: A) speed

Explanation:
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Q:

A force of 200 N displaces a body by 4 m, calculate the work done (in J).

A) 40 B) 500
C) 80 D) 800
 
Answer & Explanation Answer: D) 800

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Q:

Which of the following is NOT an application of Fiber optics?

A) Power Generation B) Computer Networking
C) Sensors D) Power Transmission
 
Answer & Explanation Answer: A) Power Generation

Explanation:
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