state any two conditions for steady interference pattern
Answers
Explanation:
The conditions required for steady interference pattern are as follows:
We need two sources of light that are:
Coherent, meaning there should not be any phase difference. This can be achieved only if the two sources are derived from the same source.
Monochromatic light is emitted, meaning same wavelength.
Equal amplitudes or the sources must be of same intensity.
Narrow sources. Point sources of light in the form of illuminated slits can be used.
Sources should be close to each other.
Should emit waves in nearly the same directly
Explanation:
The two sources of light must be monochromatic
(i)The light waves emitted by the two sources must be of equal amplitudes or the sources must be of same intensity.
(ii) The two sources must be narrow. The two sources should emit waves in nearly the same direction.
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