| 1 |
Bright fringes are also called as |
- A. Minima
- B. Maxima
- C. Wave front
- D. Ray of light
|
| 2 |
Fringe spacing in Young's double slit experiment increases due to increase in. |
- A. Slit separation
- B. Wave length
- C. Order of Fringe
- D. Frequency of source
|
| 3 |
When one mirror of a Michelson interferometer is moved a distance of 0.5 mm, 2000 fringes and observed, The wavelength of light used is. |
- A. 5000 m
- B. 50000 A<sup>o</sup>
- C. 500 cm
- D. 2000 A<sup>o</sup>
|
| 4 |
The phenomenon of polarization of light reveals that sun light is |
- A. Longitudinal waves
- B. Transverse wave
- C. Electromagnetic waves
- D. Monochromatic wave
|
| 5 |
Standard metal according to Michelson's interferometer is equivalent to |
- A. 1553163.5 wave meter
- B. 3 x 108meter
- C. 15503000 meter
- D. None of these
|
| 6 |
The distinguish between transverse and longitudinal wave_______ is used. |
- A. Refraction
- B. Interference
- C. Diffraction
- D. polarization
|
| 7 |
The Bragg's equation is given by |
|
| 8 |
The blue colour of sky is due to |
- A. diffraction
- B. Reflection
- C. Polarization
- D. Scattering
|
| 9 |
An oil film on water surface shows colour due to. |
- A. Diffraction
- B. Interference
- C. Polarization
- D. Dispersion
|
| 10 |
Newton's rings are formed due to phenomenon of. |
- A. Interference
- B. Dispersion
- C. Diffraction
- D. Polarization
|