The term 'latent heat' was introduced by MCQ with Answer and Explanation

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The term 'latent heat' was introduced by

A. Calorie

B. Joule

C. Kelvin

D. Black

Answer: Option D

Solution (By JKSSB Mock Tests)

Joseph Black introduced concept of latent heat and specific heat.

This question belongs to: Science Physics

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Practice More Physics Questions

Question #1

The temperature coefficient of resistance of a semiconductor is

A. Positive

B. Zero

C. Infinite

D. Negative

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Correct Answer: Option D

Explanation:
Resistance decreases with temperature for semiconductors, so α negative.

This question belongs to: Science Physics

Question #2

A real image can be obtained on a screen. Which of the following always forms a virtual image?

A. Convex mirror

B. Convex lens

C. Concave lens

D. Concave mirror

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Correct Answer: Option A

Explanation:
Convex mirror and concave lens always produce virtual images. Concave mirror and convex lens can produce real images under certain conditions. So convex mirror always virtual.

This question belongs to: Science Physics

Question #3

The force that binds nucleons in a nucleus is

A. Strong nuclear force

B. Weak nuclear force

C. Electrostatic

D. Gravitational

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Correct Answer: Option A

Explanation:
Strong nuclear force, short range, attractive.

This question belongs to: Science Physics

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