Which of the following is a non-renewable source of energy? MCQ with Answer and Explanation

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Which of the following is a non-renewable source of energy?

A. Coal

B. Solar energy

C. Tidal energy

D. Wind energy

Answer: Option A

Solution (By JKSSB Mock Tests)

Coal is fossil fuel, finite, non-renewable. Solar, wind, tidal are renewable. This relates to everyday physics and energy concepts.

This question belongs to: Science Physics

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Practice More Physics Questions

Question #1

The device used for detecting and measuring small electric current is

A. Wattmeter

B. Galvanometer

C. Voltmeter

D. Ammeter

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Correct Answer: Option B

Explanation:
Galvanometer is sensitive instrument for detecting presence and direction of small currents. Ammeter measures larger currents. Voltmeter potential difference. Wattmeter power.

This question belongs to: Science Physics

Question #2

The device used to increase or decrease AC voltage is

A. Generator

B. Transformer

C. Motor

D. Rectifier

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Correct Answer: Option B

Explanation:
Transformer changes AC voltage.

This question belongs to: Science Physics

Question #3

The speed of light in vacuum is

A. 3 × 10⁶ m/s

B. 3 × 10⁴ m/s

C. 3 × 10¹⁰ m/s

D. 3 × 10⁸ m/s

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Correct Answer: Option D

Explanation:
c = 2.9979 × 10⁸ m/s, commonly 3×10⁸ m/s. In glass slower. It's a universal constant, maximum speed. Used in relativity, E=mc².

This question belongs to: Science Physics

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