| 1 |
The centre of Newton's fringe is dark due to. |
- A. Destructive interference
- B. Diffraction
- C. Constructive interference
- D. Polarization
|
| 2 |
The light energy travels in space as waves was firstly proposed by |
- A. Maxwell
- B. Young
- C. Einsten
- D. Hydrogen
|
| 3 |
The distinguish between transverse and longitudinal wave_______ is used. |
- A. Refraction
- B. Interference
- C. Diffraction
- D. polarization
|
| 4 |
Intensity of light depend on |
- A. Wave length
- B. Amplitude
- C. Velocity
- D. Frequency
|
| 5 |
In case of point source the shape of wave front is. |
- A. Plane
- B. spherical
- C. Circular
- D. Eliptical
|
| 6 |
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
|
| 7 |
the locus of all pint in the same wave of vibration is called. |
- A. Wave front
- B. Diffraction
- C. Interference
- D. Polarization
|
| 8 |
Soap film is sunlight appears coloured due to. |
- A. Dispersion of light
- B. Diffraction of light
- C. Scattering of light
- D. Interference fo light
|
| 9 |
Fringe spacing is inversely proportional to. |
- A. Wave length
- B. Slit separation
- C. Distance between the slit and screen
- D. Frequency of light
|
| 10 |
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
|
