State condition between D and d to observe interference pattern .

What are the conditions for obtaining good interference pattern ?

State the conditions for steady state interference.

State the conditions to get constructive and destructive interference of light.

Write out the condition for constructive interference and destructive interference.

State the path difference between two waves for constructive interference .

In what way is diffraction from each slit related to the interference pattern in a double-slit experiment ?

State the condition of constructive interference.

State the path difference between two waves for destructive interference .

State the condition of destructive interference.

Under which conditions of motion between source and observer, Doppler effect is not observed?