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Physics-

General

Easy

Question

In a phase electromagnetic wave, the electric filed oscillates sinusoidally at a frequency of $2.0 cross times 10 to the power of 10 end exponent$ Hz and amplitude $48 blank V m to the power of negative 1 end exponent$ . The wavelength of the wave is

$24 \times 10^{- 10} m$
$1.5 \times 10^{- 2} m$
$4.16 \times 10^{8} m$
$3 \times 10^{8} m$

The correct answer is: $1.5 cross times 10 to the power of negative 2 end exponent blank m$

Wavelength, $lambda equals c divided by v equals 3 cross times 10 to the power of 8 end exponent divided by 2 cross times 10 to the power of 10 end exponent equals 1.5 cross times 10 to the power of negative 2 end exponent blank m$

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