The intensity of a progressing plane wave in loss-free medium is [Roo – McqOptions

MCQOPTIONS

1.	The intensity of a progressing plane wave in loss-free medium is [Roorkee 2000]
A.	Directly proportional to the square of amplitude of the wave
B.	Directly proportional to the velocity of the wave
C.	Directly proportional to the square of frequency of the wave
D.	Inversely proportional to the density of the medium
Answer» C. Directly proportional to the square of frequency of the wave

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