Physics Questions

Q:

The working principle of a washing machine is

A) reverse osmosis B) diffusion
C) centrifugation D) dialysis
 
Answer & Explanation Answer: C) centrifugation

Explanation:
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Q:

Nuclear sizes are expressed in a unit named

A) Fermi B) Angstrom
C) Newton D) Tesla
 
Answer & Explanation Answer: A) Fermi

Explanation:

Nuclear sizes are expressed in a unit called "Fermi" which is a unit of length equal to 10−15 metre (one femtometre), used in nuclear physics. It is similar to the diameter of a proton.

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Q:

The speed of light will be minimum while passing through

A) water B) vaccum
C) air D) glass
 
Answer & Explanation Answer: D) glass

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Q:

The most suitable unit for expressing nuclear radius is

A) micro B) nanometre
C) fermi D) angstrom
 
Answer & Explanation Answer: C) fermi

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Q:

Which of the following is not a vector quantity

A) speed B) velocity
C) torque D) displacement
 
Answer & Explanation Answer: A) speed

Explanation:
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