Wave Optics-I Physics Test Series IIT JEE

Test Preparation on Wave Optics-I-Physics Test Series IIT JEE-2020

1.

The waves of wavelength 5900 oA
emitted by any atom or molecule must have some finite total length which is known
as coherence length. For sodium light, this length is 2.4 cm.
The number of oscillations in this length will be-

14.068 x108
24.068 x104
34.068x106
44.068 x105

2.

11
22
33
44

3.

The phenomenon of interference is shown by

1Longitudinal mechanical waves only
2Transverse mechanical waves only
3Electromagnetic waves only
4All the above types of waves

Check your progress:


Right Ans	Wrong Ans	Not Attempted

Prev Question Next Question Show Answer