Question
Question: In the figure the intensity of waves arriving at D from two coherent sources S<sub>1</sub> and S<sub...
In the figure the intensity of waves arriving at D from two coherent sources S1 and S2 is I0. The wavelength of the wave is l = 4 m. Resultant intensity at D will be –
A
4I0
B
I0
C
2I0
D
Zero
Answer
2I0
Explanation
Solution
Dx = S2D – S1D = 5 – 4 = 1 = 4λ
\ Df = λ2π . 4λ= 2π, IR = 2I0