| 1 |
Fringe spacing is inversely proportional to. |
- A. Wave length
- B. Slit separation
- C. Distance between the slit and screen
- D. Frequency of light
|
| 2 |
Light entering rom air glass does not change in its. |
- A. Frequency
- B. Wavelength
- C. Velocity
- D. Direction
|
| 3 |
Oil film floating on water exhibits colours due to |
- A. Interference
- B. Diffraction
- C. Polarization
- D. All of these
|
| 4 |
Which one of the following can not be polarized. |
- A. Ultra violet rays
- B. Radio waves
- C. T.V. Waves
- D. Sound waves
|
| 5 |
Soap film is sunlight appears coloured due to. |
- A. Dispersion of light
- B. Diffraction of light
- C. Scattering of light
- D. Interference fo light
|
| 6 |
In young's double slit experiment for the interference the central region will be |
- A. Dark
- B. Bright
- C. Coloured
- D. None of these
|
| 7 |
The centre of Newton's fringe is dark due to. |
- A. Destructive interference
- B. Diffraction
- C. Constructive interference
- D. Polarization
|
| 8 |
According to Huygen's principle the points on primary wave front can be considered as |
- A. Secondary wavelets
- B. Ray of light
- C. Source of light
- D. None of these
|
| 9 |
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
|
| 10 |
Newton's rings are formed due to phenomenon of. |
- A. Interference
- B. Dispersion
- C. Diffraction
- D. Polarization
|
