Question

The points of constructive interference of light are -
(A) Always bright
(B) may be bright or dark
(C) always dark
(D) neither bright nor dark​

Answer 1

Answer:

Bro! correct answer is (B) may be bright and dark

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Answer 2

Constructive interference

Explanation:

• Constructive interference occurs when the maxima of two waves add together, so that the amplitude of the resulting wave is equal to the sum of the individual amplitudes.

• The bright regions occur whenever an integer number of waves constructively interfere.
• Hence option (A) always bright is the correct answer.