Physics Practice: Light Energy (Mock Test 1 - Basic)
1. The bouncing back of light from a polished surface is called:
2. A highly polished plane surface which reflects almost all the light falling on it is a:
3. According to the Laws of Reflection, the angle of incidence ($i$) is always ________ to the angle of reflection ($r$):
4. The line perpendicular to the reflecting surface at the point of incidence is called the:
5. An image that cannot be obtained on a screen is called a:
6. The phenomenon where the left side of an object appears as the right side in a plane mirror is:
7. A spherical mirror whose reflecting surface is curved inwards is a:
8. The center of the reflecting surface of a spherical mirror is called its:
9. Which of the following is used by dentists to see large images of teeth?
10. The speed of light in vacuum is approximately:
11. A mirror used as a rear-view mirror in vehicles is a:
12. The distance between the Pole and the Principal Focus of a mirror is the:
13. White light is composed of ________ colors:
14. The splitting of white light into its constituent colors is called:
15. In VIBGYOR, which color bends the most through a prism?
16. The relationship between Radius of curvature ($R$) and Focal length ($f$) is:
17. A convex mirror always forms an image that is:
18. The imaginary line passing through the Pole and Center of Curvature is the:
19. If an object is placed at the Center of Curvature of a concave mirror, the image is formed at:
20. What is the S.I. unit of power of light energy (luminous flux)?