In Young's double slit experiment, wavelength of light used is 'λ'. The intensity at a point is 'I', where the path-difference is 'λ/3'. If Io denotes the maximum intensity, the ratio I/Io is

Question:

In Young’s double slit experiment, wavelength of light used is ‘λ’. The intensity at a point is ‘I’, where the path-difference is ‘λ/3’. If Io denotes the maximum intensity, the ratio I/I_o is

Options :

(a) 1/2
(b) 1/4
(c) √3/2
(d) 3/4

Answer :

(b) 1/4

Answer Steps :

step 1

step 2

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