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In a young’s double slit experiment, the path different, at a certain point on the screen, between two interfering waves is  of wavelength. The ratio of the intensity at this point to that at the centre of a bright fringe is close to :

(a)

0.94

(b)

0.74

(c)

0.85

(d)

0.80


Question ID - 50302 | SaraNextGen Answer

In a young’s double slit experiment, the path different, at a certain point on the screen, between two interfering waves is  of wavelength. The ratio of the intensity at this point to that at the centre of a bright fringe is close to :

(a)

0.94

(b)

0.74

(c)

0.85

(d)

0.80

1 Answer - 5876 Votes

3537

Answer Key : (c) -

=

I=I0 cos2

=cos2



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