| 1 |
The fringe spacing increases if we use. |
- A. Yellow light
- B. Green lgiht
- C. Blue light
- D. Red light
|
| 2 |
When newton ring are seen through the transmitted light, then central spot is. |
- A. Dark
- B. Blue
- C. Bright
- D. Red
|
| 3 |
Oil film floating on water exhibits colours due to |
- A. Interference
- B. Diffraction
- C. Polarization
- D. All of these
|
| 4 |
The light energy travels in space as waves was firstly proposed by |
- A. Maxwell
- B. Young
- C. Einsten
- D. Hydrogen
|
| 5 |
Intensity of light depend on |
- A. Wave length
- B. Amplitude
- C. Velocity
- D. Frequency
|
| 6 |
Bright fringes are also called as |
- A. Minima
- B. Maxima
- C. Wave front
- D. Ray of light
|
| 7 |
In red light is used as compare to blue light then fringe spacing. |
- A. Decreases
- B. Remain same
- C. Increases
- D. Becomes zero
|
| 8 |
Which is nooptically active |
- A. Sugar
- B. Tartaric acid
- C. Water
- D. Sodium chloride
|
| 9 |
The fringe spacing in a double slit experiment can be increased by decreasing. |
- A. Wavelength of light
- B. Width of slits
- C. Slit separation
- D. Distance between the slits and the screen
|
| 10 |
The process of confining the beam of light to vibrate in one plane is called. |
- A. Interference
- B. Diffraction
- C. Polarization
- D. Total internal refraction
|