| 1 |
In case of point source the shape of wave front is. |
- A. Plane
- B. spherical
- C. Circular
- D. Eliptical
|
| 2 |
Light entering rom air glass does not change in its. |
- A. Frequency
- B. Wavelength
- C. Velocity
- D. Direction
|
| 3 |
Fringe spacing is inversely proportional to. |
- A. Wave length
- B. Slit separation
- C. Distance between the slit and screen
- D. Frequency of light
|
| 4 |
The distinguish between transverse and longitudinal wave_______ is used. |
- A. Refraction
- B. Interference
- C. Diffraction
- D. polarization
|
| 5 |
Dark fringes are also called as |
- A. Minima
- B. Maxima
- C. Wave front
- D. Ray of light
|
| 6 |
Bending of light around the edges of an obstacle is called. |
- A. Refraction
- B. Polarization
- C. Interference
- D. Diffraction
|
| 7 |
Which one of the following can not be polarized. |
- A. Ultra violet rays
- B. Radio waves
- C. T.V. Waves
- D. Sound waves
|
| 8 |
The distance between two consecutive wave front is equal to |
- A. One wave length
- B. Two wave length
- C. Half wave length
- D. Three wave length
|
| 9 |
The phenomenon of polarization of light reveals that sun light is |
- A. Longitudinal waves
- B. Transverse wave
- C. Electromagnetic waves
- D. Monochromatic wave
|
| 10 |
The wavelength of X-rays is of the order of. |
- A. 10<sup>-8</sup> m
- B. 10<sup>-10</sup>m
- C. 10<sup>-5</sup>m
- D. 10<sup>-4</sup>m
|
