Optics Question 1045

Question: Two coherent sources of different intensities send waves which interfere. The ratio of maximum intensity to the minimum intensity is 25. The intensities of the sources are in the ratio

[UPSEAT 2002]

Options:

A) 25 : 1

B) 5 : 1

C) 9 : 4

D) 25 : 16

Show Answer

Answer:

Correct Answer: C

Solution:

ImaxImin=(I1I2+1I1I21)2I1I2=94



NCERT Chapter Video Solution

Dual Pane