Question

State the necessary conditions for sustained interference.

Answer 1

$\underline{\mathfrak{Answer}}$

✨The following conditions are necessary for sustained interference.

(i) The two sources of light must be coherent sources.

(ii) The two sources of light should be narrow sources.

(iii) The distance between the two sources should be small.

(iv) The $\bold{amplitude}$ of two interfering waves should either be equal or nearly equal.

(v) The distance between the screen and slits should be as large as possible.

$\underline{\mathfrak{hope\: it\: helps}}$

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Answer 2

Explanation:

The two sources of light must be coherent sources.

(ii) The two sources of light should be narrow sources.

(iii) The distance between the two sources should be small.

(iv) The \bold{amplitude}amplitude of two interfering waves should either be equal or nearly equal.

(v) The distance between the screen and slits should be as large as possible.