| 1 |
Interplaner distance can be determined by |
- A. Newton's rings
- B. Bragg's law
- C. Diffraction pattern
- D. Interferometer
|
| 2 |
A typical diffraction grating has certain number of lines per centimeter whose range is. |
- A. 40 to 50
- B. 400 to 5000
- C. 400 to 500
- D. 4000 to 5000
|
| 3 |
Michelson's interferometer can be used ot find the |
- A. Velocity of light
- B. Wavelength of light
- C. Velocity of sound
- D. Wavelength of sound
|
| 4 |
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
|
| 5 |
Bending of light around the edges of an obstacle is called. |
- A. Refraction
- B. Polarization
- C. Interference
- D. Diffraction
|
| 6 |
Which phenomenon of light proves that light waves are transverse in nature. |
- A. Refraction
- B. Reflection
- C. Diffraction
- D. Polarization
|
| 7 |
Intensity of light depend on |
- A. Wave length
- B. Amplitude
- C. Velocity
- D. Frequency
|
| 8 |
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
|
| 9 |
Dark fringes are also called as |
- A. Minima
- B. Maxima
- C. Wave front
- D. Ray of light
|
| 10 |
If 'N' is number of lines rule don the grating having length 'L' then grating element 'd' is given by. |
- A. N/L
- B. 2N/L
- C. L/N
- D. N/2L
|
