Laws of Reflection MCQs
Laws of Reflection MCQs – CBSE Class 8 Science
Class: 8
Subject: Science
Section: Light
Topic: Laws of Reflection MCQs
Board: CBSE (Based on NCERT Syllabus)
Subject: Science
Section: Light
Topic: Laws of Reflection MCQs
Board: CBSE (Based on NCERT Syllabus)
1. The angle of incidence is always equal to:
Answer: b) Angle of reflection
Explanation: This is the First Law of Reflection.
Explanation: This is the First Law of Reflection.
2. The incident ray, reflected ray and normal lie in:
Answer: b) Same plane
Explanation: This is the Second Law of Reflection.
Explanation: This is the Second Law of Reflection.
3. Angle between incident ray and normal is called:
Answer: c) Angle of incidence
Explanation: Measured from the normal.
Explanation: Measured from the normal.
4. Normal is drawn:
Answer: b) Perpendicular to mirror
Explanation: It helps measure angles.
Explanation: It helps measure angles.
5. If angle of incidence is 30°, angle of reflection is:
Answer: b) 30°
Explanation: Both angles are equal.
Explanation: Both angles are equal.
6. Reflection occurs from:
Answer: d) All of these
Explanation: Any smooth surface reflects light.
Explanation: Any smooth surface reflects light.
7. Laws of reflection are applicable to:
Answer: c) All reflecting surfaces
Explanation: Laws are universal.
Explanation: Laws are universal.
8. Angle between mirror and incident ray is 60°. Angle of incidence is:
Answer: b) 30°
Explanation: Incidence is measured from normal.
Explanation: Incidence is measured from normal.
9. Regular reflection occurs on:
Answer: b) Smooth surface
Explanation: Parallel rays remain parallel.
Explanation: Parallel rays remain parallel.
10. Diffused reflection occurs on:
Answer: b) Rough wall
Explanation: Rays scatter.
Explanation: Rays scatter.
11. Unit of angle measurement:
Answer: b) Degree
Angles measured in degrees.
Angles measured in degrees.
12. Incident ray strikes mirror at:
Answer: a) Point of incidence
Contact point.
Contact point.
13. Reflection is:
Answer: b) Return of light
Light bounces back.
Light bounces back.
14. Image formed due to reflection:
Answer: b) Virtual/real
Depends on mirror type.
Depends on mirror type.
15. Plane mirror forms image:
Answer: b) Same size
Equal dimensions.
Equal dimensions.
16. Distance of image equals:
Answer: c) Same
Plane mirror property.
Plane mirror property.
17. Reflection helps us to:
Answer: a) See objects
Reflected light reaches eyes.
Reflected light reaches eyes.
18. Mirror used in periscope:
Answer: a) Plane
Uses reflection.
Uses reflection.
19. Kaleidoscope works on:
Answer: b) Multiple reflection
Creates patterns.
Creates patterns.
20. Reflection law discovered by:
Answer: b) Euclid
Ancient Greek scientist studied reflection.
Ancient Greek scientist studied reflection.
