| 1 |
The pole of spherical mirror is also called. |
- A. Principal axis
- B. Focus
- C. Vertex
- D. Focal leangth
|
| 2 |
Through which of the following the light travels the fastest. |
- A. Prism
- B. Water
- C. Air
- D. Vacuum
|
| 3 |
In a convex mirror, focus is. |
- A. Under the mirror
- B. In front of the mirror
- C. On the mirror
- D. Behind the mirror
|
| 4 |
There are ......... types of reflection |
|
| 5 |
It takes about.......... minutes for light from the Sun to reach the Earth. |
|
| 6 |
When light falls on transparent object such as air, water, glass ,etc. It passes through them unchanged, it is called. |
- A. Absorption
- B. Reflection
- C. Transmission
- D. Diffusion
|
| 7 |
-------------------- is/are used to coat the backside of the mirror. |
- A. Silver
- B. Copper
- C. Aluminium
- D. Silver and Aluminium
|
| 8 |
Which type of image is formed in Plane Mirror. |
- A. Real
- B. Real and virtual
- C. Virtual
- D. None of these
|
| 9 |
Speed of light is denoted by. |
|
| 10 |
The image formed by a convex mirror is. |
- A. Real and upright
- B. Real and inverted
- C. Virtual and upright
- D. Virtual and inverted
|
