Physics Practice: Light Energy (Mock Test 2 - Intermediate)
1. The focal length of a concave mirror having radius of curvature $30\ \text{cm}$ is:
2. Which anatomical feature of a convex mirror allows it to be used as a security mirror in shops?
3. When an object is placed between the Focus ($F$) and Pole ($P$) of a concave mirror, the image is:
4. The primary reason a ray of light passing through the Center of Curvature reflects back along the same path is:
5. Which of the following is a characteristic of an image formed by a plane mirror?
6. If the angle of incidence is $35^\circ$, the angle between the incident ray and the reflected ray is:
7. A point on the principal axis where all rays parallel to it meet after reflection is the:
8. The location of the center of curvature of a convex mirror is:
9. Which mirror is used in solar furnaces to concentrate sunlight?
10. Regular reflection occurs when light strikes a ________ surface.
11. A ray of light parallel to the principal axis of a concave mirror, after reflection, passes through:
12. Why do we see "Lateral Inversion" in a plane mirror?
13. In a spherical mirror, the aperture is the:
14. What type of reflection allows us to see non-luminous objects from any direction?
15. If the focal length of a convex mirror is $20\ \text{cm}$, its center of curvature is at:
16. Newton’s disc experiment proves that:
17. Which mirror is used in a reflecting telescope?
18. An object $5\ \text{cm}$ high is placed in front of a plane mirror. The height of its image is:
19. In a concave mirror, when the object is at infinity, the image is formed at:
20. The angle of reflection is the angle between:
