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Two non-coherent sources emit light beams of intensities  and 4 . The maximum and minimum intensities in the resulting beam are

a)

b)

9 and 3

c)

5and

d)

5and 3



Question ID - 150014 | SaraNextGen Top Answer

Two non-coherent sources emit light beams of intensities  and 4 . The maximum and minimum intensities in the resulting beam are

a)

b)

9 and 3

c)

5and

d)

5and 3

1 Answer
127 votes
Answer Key / Explanation : (d) -

(d)

When two coherent light beams of intensities  superimpose, then maximum intensity is  and minimum intensity is. But when two incoherent light beams of intensities  superimpose, then maximum intensity is  and minimum intensity is.

 

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