| 1 |
In order to have total internal reflection the ray of light should travel from. |
- A. Rare to denser medium
- B. Rare to rare medium
- C. Denser to Denser medium
- D. Denser to Rare medium
|
| 2 |
When light passes from air to water, the angle of incidence is. |
- A. Smaller than the angle of refraction
- B. Equal to the angle of refraction
- C. Greater than the angle of refraction
- D. Not equal to the angle of refraction
|
| 3 |
We see a mirage due to the. |
- A. Reflection of light
- B. Refraction and total internal reflection of light
- C. Dispersion of light
- D. Refraction of light
|
| 4 |
Light travels the fastest through. |
- A. Vacuum
- B. Air
- C. Water
- D. Milk
|
| 5 |
The angle of incidence for which angle of refraction becomes 90<sup>o</sup> is called. |
- A. Angle of refraction
- B. Oblique angle
- C. Critical angles
- D. Angle of incidence
|
| 6 |
When a ray of light enters from a rare medium to a dense medium ,it bends. |
- A. Away from the normal
- B. Towards the normal
- C. along the normal
- D. In any direction
|
| 7 |
The splitting of white light into its constituent colours in known as. |
- A. Dispersion
- B. Reflection
- C. Refraction
- D. Total internal Reflection
|
| 8 |
When light passes from transparent medium to another , it change its. |
- A. Speed
- B. Speed and directions
- C. Direction
- D. Speed of direction
|
| 9 |
Which of the following objects does not refract light? |
- A. Microscope
- B. Hand lens
- C. Camera
- D. Mirror
|
| 10 |
When a ray of light enters from a denser medium to a rare medium, it bends. |
- A. Always from the normal
- B. Along the normal
- C. Toward the normal
- D. In any direction
|
