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Wave Optics
Question
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Two waves having intensity in the ratio 25 : 4 produce interference. The ratio of the maximum to minimum intensity is

  • 5:2

  • 7:3

  • 49:9

  • 9:49

Answer

C.

49:9

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Some More Questions From Wave Optics Chapter

Let us list some of the factors which could possibly influence the speed of wave propagation:
(i) nature of source.
(ii) direction of propagation. 
(iii) motion of source and/or observer.
(iv) wave length.
(v) intensity of the wave.
On which of these factors, if any, does
(a) the speed of light in vacuum,
(b) the speed of light in a medium (say, the glass or water) depend?