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PU GS Practice General Science Light and Sound MCQs Test 1

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PU GS Practice General Science Light and Sound MCQs Test 1

Practice PU GS 2026 General Science MCQs from Light and Sound. Get instant results with Explanation.

General10 MCQs

1. What is reflection of light?

A. Bouncing back of lightB. Bending of lightC. Spreading of lightD. Absorption of light

2. What is refraction of light?

A. Bouncing back of lightB. Bending of lightC. Absorption of lightD. Spreading of light

3. Which type of mirror is a converging mirror?

A. Convex mirrorB. Plane mirrorC. Spherical mirrorD. Concave mirror

4. Which type of mirror is a diverging mirror?

A. Concave mirrorB. Plane mirrorC. Convex mirrorD. Spherical mirror

5. What type of wave is sound?

A. Electromagnetic waveB. Mechanical waveC. Transverse waveD. Longitudinal wave

General10 MCQs

6. What is frequency in wave motion?

A. Height of waveB. Distance between wavesC. Speed of waveD. Number of waves per unit time

7. What is amplitude of a wave?

A. Number of wavesB. Speed of waveC. Maximum displacementD. Distance between waves

8. What is an echo?

A. Reflection of soundB. Refraction of soundC. Absorption of soundD. Diffraction of sound

9. What is the speed of light in a vacuum?

A. 3 × 10⁶ m/sB. 3 × 10⁸ m/sC. 3 × 10¹⁰ m/sD. 3 × 10¹² m/s

10. What is the approximate speed of sound in air?

A. 100 m/sB. 200 m/sC. 300 m/sD. 343 m/s

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