PU GS 2026 Light and Sound Free Quiz 1

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PU GS 2026 Light and Sound Free Quiz 1

PU GS Quiz

10:00

Answered: 0 / 10

Remaining: 10

Navigator 10 Q

General

General 10 MCQs

1. What is reflection of light?

A. Bouncing back of light B. Bending of light C. Spreading of light D. Absorption of light

2. What is refraction of light?

A. Bouncing back of light B. Bending of light C. Absorption of light D. Spreading of light

3. Which type of mirror is a converging mirror?

A. Convex mirror B. Plane mirror C. Spherical mirror D. Concave mirror

4. Which type of mirror is a diverging mirror?

A. Concave mirror B. Plane mirror C. Convex mirror D. Spherical mirror

5. What type of wave is sound?

A. Electromagnetic wave B. Mechanical wave C. Transverse wave D. Longitudinal wave

6. What is frequency in wave motion?

A. Height of wave B. Distance between waves C. Speed of wave D. Number of waves per unit time

7. What is amplitude of a wave?

A. Number of waves B. Speed of wave C. Maximum displacement D. Distance between waves

8. What is an echo?

A. Reflection of sound B. Refraction of sound C. Absorption of sound D. Diffraction of sound

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

A. 3 × 10⁶ m/s B. 3 × 10⁸ m/s C. 3 × 10¹⁰ m/s D. 3 × 10¹² m/s

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

A. 100 m/s B. 200 m/s C. 300 m/s D. 343 m/s

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