Saved Bookmarks
| 1. |
Parallel light of wavelength 6563 Å is incident normally on a slit 0.3850 mm wide. A lens with a focal length of 50 cm is located just behind the slit. Find the distance from the centre of the Principal maximum to (a) the first minima (b) the fifth minimum |
|
Answer» The correct answer is OPTION (b) the fifth minimum |
|