Q. 18 : The optical path differemce between the two idențical waves arriving át a point is 0.05 Cm. If wavelength of light used is 5000 Å, then the number of dark fringes passing through that point wiRN be (a) 10 (b) 1000 (c) 100 (d). 10000
Q. 18 : The optical path differemce between the two idențical waves arriving át a point is 0.05 Cm. If wavelength of light used is 5000 Å, then the number of dark fringes passing through that point wiRN be (a) 10 (b) 1000 (c) 100 (d). 10000
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Transcribed Image Text:Q. 18 : The optical path diffenrence between the
two identical waves arriving át a point is 0.05
cm. If wavelength of light used is 5000 Å , then
the number of dark fringes passing through
that point will be
(a)
10
(b) 1000
(c)
100
(d). 10000
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