HARD
12th Tamil Nadu Board
IMPORTANT
Earn 100

Prove law of refraction using Huygens' principle.

Important Questions on Optics
EASY
12th Tamil Nadu Board
IMPORTANT
Using Huygen's principle,
draw a diagram to show propagation of a wave front when the source is at infinity,

MEDIUM
12th Tamil Nadu Board
IMPORTANT

MEDIUM
12th Tamil Nadu Board
IMPORTANT
For experimental observation of good interference fringes, the interfering beams should be
1. Coherent
2. Of equal intensity
3. Of same polarisation
Which of the above are correct?

HARD
12th Tamil Nadu Board
IMPORTANT

EASY
12th Tamil Nadu Board
IMPORTANT
1. The sources must be coherent.
2. The intensities of the two sources must be equal.
Here, the correct option is:

EASY
12th Tamil Nadu Board
IMPORTANT

EASY
12th Tamil Nadu Board
IMPORTANT

EASY
12th Tamil Nadu Board
IMPORTANT
