1.

The frequency of an electromagnetic radiation is \[2\times {{10}^{6}}Hz\]. What is its wavelength in metres                 (Velocity of light \[=3\times {{10}^{8}}m{{s}^{-1}}\])

A. \[6.0\times {{10}^{14}}\]
B. \[1.5\times {{10}^{4}}\]
C. \[1.5\times {{10}^{2}}\]
D. \[0.66\times {{10}^{-2}}\]
Answer» D. \[0.66\times {{10}^{-2}}\]


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