First slide

Introduction-Wave optics

Question

Wavelength of light of frequency 100Hz

Easy

A

$2 \times 10^{6} m$
B

$3 \times 10^{6} m$
C

$4 \times 10^{6} m$
D

$5 \times 10^{6} m$

Solution

$λ = \frac{c}{v} = \frac{3 \times 10^{8}}{100} = 3 \times 10^{6} m$

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