A point is situated at 6.5 cm and 6.65 cm from two coherent sources. Find the nature of illumination at the point if wavelength of light is 5000 .
(Ans: bright)
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Answered by
28
heya...
Here is your answer...
Path difference = 0.15cm = 15 * 10-4 m
Wavelength = 5000A = 5 * 10-7 m
If path difference = n * wavelength , then it will be a point of constructive interference where n is Natural number.
Here , the n = (15 * 10-4) / (5 * 10-7) = 3000 is natural number
Hence the point will undergo constructive interference and will be bright.
It may help you...☺☺
Here is your answer...
Path difference = 0.15cm = 15 * 10-4 m
Wavelength = 5000A = 5 * 10-7 m
If path difference = n * wavelength , then it will be a point of constructive interference where n is Natural number.
Here , the n = (15 * 10-4) / (5 * 10-7) = 3000 is natural number
Hence the point will undergo constructive interference and will be bright.
It may help you...☺☺
Answered by
24
Hey mate ^_^
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