Physics Questions

Q:

Energy possessed by an object by its position or configuration is called

A) Kinetic energy B) Nuclear energy
C) Potential energy D) Electrical energy
 
Answer & Explanation Answer: C) Potential energy

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Q:

Multiplication of equivalent weight and valency of an element is equal to ______.

A) Density B) Relative temperature
C) Atomic weight D) Atomicity
 
Answer & Explanation Answer: C) Atomic weight

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Q:

What is the range of frequencies of sound waves audible to human beings?

A) 16kHz to 200kHz B) 16Hz to 16kHz
C) 16Hz to 20kHz D) 14Hz to 20kHz
 
Answer & Explanation Answer: C) 16Hz to 20kHz

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Q:

The capacity to do work is called

A) Pressure B) Force
C) Power D) Energy
 
Answer & Explanation Answer: D) Energy

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Q:

Which of the following coloured light has the lowest frequency?

A) Green B) Blue
C) Red D) Violet
 
Answer & Explanation Answer: C) Red

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Q:

Which of the following is used to detect current in a circuit?

A) Galvanometer B) Anemometer
C) Barometer D) Lactometer
 
Answer & Explanation Answer: A) Galvanometer

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Q:

Two identical resistors of 20 ohm each are connected in parallel. This combination, in turn, is connected to a 10 ohm resister. The equivalent resistance of the combination will be

A) 30 ohm B) 10 ohm
C) 5 ohm D) 20 ohm
 
Answer & Explanation Answer: A) 30 ohm

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Q:

What is the upward force exerted by water called?

A) Density B) Buoyant force
C) Gravitation D) Friction
 
Answer & Explanation Answer: B) Buoyant force

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