A metal spoon placed in a hot cup of tea gets hot due to MCQ with Answer and Explanation

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A metal spoon placed in a hot cup of tea gets hot due to

A. Evaporation

B. Conduction

C. Radiation

D. Convection

Answer: Option B

Solution (By JKSSB Mock Tests)

Heat travels through spoon from hot end to cold end by conduction (molecular vibration and free electrons). Handle gets hot. Metal good conductor.

This question belongs to: Science Physics

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Practice More Physics Questions

Question #1

The force required to keep a body moving in uniform velocity on a frictionless surface is

A. Product of mass and velocity

B. Equal to its weight

C. Equal to applied force

D. Zero

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Correct Answer: Option D

Explanation:
On a frictionless surface, no net external force is required to maintain uniform velocity (Newton's first law). Only to change velocity force is needed. Thus, force required is zero. If friction present, force would be needed to balance friction.

This question belongs to: Science Physics

Question #2

A ship entering a river from sea will

A. Remain same

B. Sink a little

C. Rise a little

D. Sink completely

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Correct Answer: Option B

Explanation:
Seawater density > river water. To displace same weight, ship sinks deeper in less dense river water.

This question belongs to: Science Physics

Question #3

The law of inertia was given by

A. Galileo

B. Kepler

C. Copernicus

D. Newton

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Correct Answer: Option A

Explanation:
Galileo first stated the concept; Newton formalized as first law.

This question belongs to: Science Physics

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