Light - Reflection

Grade 9 Science — Light - Reflection: 25 practice questions with instant scoring and explanations.

1. The laws of reflection state that the angle of incidence:
2. A plane mirror produces an image that is:
3. The magnification produced by a plane mirror is:
4. A concave mirror converges light at a point called:
5. The focal length (f) of a mirror is related to radius of curvature (R) by:
6. For a mirror with R = 40 cm, the focal length is:
7. A convex mirror always produces:
8. The mirror formula is:
9. For a concave mirror with f = 10 cm, if u = 20 cm (object distance), then image distance (v) is:
10. Magnification (m) is calculated as:
11. A real, magnified, inverted image is formed when object is placed:
12. A virtual, magnified, upright image is formed by concave mirror when object is:
13. A convex mirror with f = 15 cm and u = 30 cm produces an image at:
14. The magnification for a plane mirror is always:
15. In the sign convention for mirrors, the focal length of a concave mirror is:
16. The radius of curvature of a convex mirror is considered:
17. When an object is at the focal point of a concave mirror, the image is:
18. A concave mirror is used in:
19. A convex mirror is commonly used in:
20. For a concave mirror with f = 8 cm, u = 16 cm, the magnification is:
21. The light ray parallel to principal axis of a concave mirror reflects through:
22. A ray passing through the focal point of a concave mirror reflects:
23. The power of a mirror (P) is defined as:
24. A concave mirror with f = 0.5 m has a power of:
25. Spherical aberration in mirrors is minimized when: