Questions
In an interference experiment, the ratio of the intensities of the bright and dark fringes is 16. The ratio of the amplitudes due to the two slits is
detailed solution
Correct option is D
The given values are ImaxImin=161 ImaxImin=[I1+I2I1−I2]2=[a1+a2a1−a2]2 ∴[a1+a2a1−a2]2=161 a1+a2a1−a2=41 ⇒a1a2=53Talk to our academic expert!
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An oil flowing on water seems coloured due to interference. For observing this effect, the approximate thickness of the oil film should be
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