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To demonstrate the phenomenon of beats we need (a) Two sources which emit radiation of nearly the same frequency (b) Two sources which emit radiation of exactly the same frequency (c) Two sources which emit radiation of exactly the same frequency and have a definite phase relationship (d) Two sources which emit radiation of exactly the same wavelength

To demonstrate the phenomenon of beats we need
(a) Two sources which emit radiation of nearly the same frequency
(b) Two sources which emit radiation of exactly the same frequency
(c) Two sources which emit radiation of exactly the same frequency and have a definite phase relationship
(d) Two sources which emit radiation of exactly the same wavelength

Grade:12

1 Answers

SAHIL
3778 Points
7 years ago
TWO SOURCES WHICH EMIT RADIATION OF NEARLY SAME FREQUENCYTo demonstrate the phenomenon of beats we need 
SO CORRECT OPTION IS a.
THANKS
 

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