Question

state any four condition for steady interference pattern​

Answer 1

Steady interference pattern​

Explanation:

The conditions required for steady interference pattern​ are as follows:

We need two sources of light that are:

1. Coherent, meaning there should not be any phase difference. This can be achieved only if the two sources are derived from the same source.
2. Monochromatic light is emitted, meaning same wavelength.
3. Equal amplitudes or the sources must be of same intensity.
4. Narrow sources. Point sources of light in the form of illuminated slits can be used.
5. Sources should be close to each other.
6. Should emit waves in nearly the same direction.

Answer 2

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