Entry Test MCQ :: Physical Optics
|
|
|
|
|
|
| |
Central spot of Newtons rings
|
| [A]. |
bright | [B]. |
dark for large wavelength
|
| [C]. |
dark | [D]. |
bright for large wavelength |
|
 |
|
mubarra aqeel; said:
|
|
| |
| no its dark spot |
|
aleena said:
|
|
| |
| yes its dark spot |
|
Hamza said:
|
|
| |
| it is dark spot..... |
|
rooma said:
|
|
| |
| central spot is always dark due to difference of 1/2 wavelength |
|
FATIMA said:
|
|
| |
| IT MAY B DARK OR BRIGHT |
|
ibrar hussain korai said:
|
|
| |
| the central spot of newton circular rings is always dark ,due to the phase reversal it must be dark |
|
malaikar said:
|
|
| |
| im sure its dark |
|
Gahzal said:
|
|
| |
| its correct answer should be dark |
|
|
