| 1 |
The light energy travels in space as waves was firstly proposed by |
- A. Maxwell
- B. Young
- C. Einsten
- D. Hydrogen
|
| 2 |
In blue light is used as compare to red light then fringe spacing. |
- A. Increase
- B. Decreases
- C. Remain same
- D. Becomes zero
|
| 3 |
Hygen's principle is used for. |
- A. Explain polarization
- B. Locate the wave front
- C. Find the speed of light
- D. Find the index of refraction
|
| 4 |
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
|
| 5 |
Example of thin film is. |
- A. Soap burble
- B. convex lens
- C. Concave lens
- D. Glass plate
|
| 6 |
The fringe spacing increases if we use. |
- A. Yellow light
- B. Green lgiht
- C. Blue light
- D. Red light
|
| 7 |
Which of the following is evidence of wave nature of light |
- A. Interference
- B. Diffraction
- C. Polarization
- D. All of these
|
| 8 |
the locus of all pint in the same wave of vibration is called. |
- A. Wave front
- B. Diffraction
- C. Interference
- D. Polarization
|
| 9 |
The distinguish between transverse and longitudinal wave_______ is used. |
- A. Refraction
- B. Interference
- C. Diffraction
- D. polarization
|
| 10 |
Sound waves can not be |
- A. Reflected
- B. Refracted
- C. Polarized
- D. Diffracted
|