Which particle has no charge? MCQ with Answer and Explanation

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Which particle has no charge?

A. Alpha particle

B. Proton

C. Electron

D. Neutron

Answer: Option D

Solution (By JKSSB Mock Tests)

Neutron is neutral (charge 0). Proton +e, electron -e. Alpha particle +2e. Neutron mass slightly more than proton. Discovered by Chadwick.

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Question #1

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Which of the following is not an electromagnetic wave?

A. Sound waves

B. X-rays

C. Gamma rays

D. Ultraviolet

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Correct Answer: Option A

Explanation:
Sound waves are mechanical, require medium.

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Question #2

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Which appliance works on the principle of electromagnetic induction?

A. Induction cooker

B. Fuse

C. Electric heater

D. Incandescent bulb

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Correct Answer: Option A

Explanation:
Induction cooker induces eddy currents in pan. Heater uses Joule heating.

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Question #3

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The final image in an astronomical telescope is

A. Real and inverted

B. Virtual and erect

C. Virtual and inverted

D. Real and erect

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Correct Answer: Option C

Explanation:
Telescope forms inverted, virtual image at infinity (or near point). For terrestrial, erecting lens makes erect.

This question belongs to: Science Physics

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