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What do you mean by sustained interference?

by aman in Science at 2017-04-17 16:22:11 got 1 Comments 44 Views
Explain the conditions required for sustained interference

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aman comment on "What do you mean by sustained interference?"

The interference pattern in which the positions of maximum and minimum of intensity of light remains fixed all along on the screen is called sustained interference pattern.
conditions for sustained interference-
1. the two sources should emit the light waves continuously.
2. the light waves should be of same wavelength.
3. the light waves emitted should preferably be of the same amplitude.
4. the two sources of light must be very close to each other.
5. the two sources should be very narrow.