the frequency of an electromagnetic radiation
The frequency of an electromagnetic radiation is 2x 106 Hz. . What is its wavelength in metres : (Velocity of light = 3x108 ms-1)
(1)6.0x 1014
(2)1.5x 104
(3)1.5x 102
(4)0.66x 10-2
Ans:1.5x 102
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