Physics Questions

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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1 1061
Q:

Kinetic energy is equal to

A) 1/2 mv2 B) mgh
C) mv D) Ma
 
Answer & Explanation Answer: A) 1/2 mv2

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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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1 1057
Q:

What is not true with CT Scan?

A) Combines many X-ray images B) Scanning is often painful
C) Generates 3-D cross-sectional views D) Identifies normal and abnormal structures
 
Answer & Explanation Answer: B) Scanning is often painful

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2 1056
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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0 1054
Q:

The unit of power used in industry is

A) Joule B) Watts
C) Horse power D) Kilowatts
 
Answer & Explanation Answer: C) Horse power

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1 1052
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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0 1052
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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0 1050