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Question
The speed of light is 3 × 108 ms−1. Calculate the frequency of yellow light of wavelength 6 × 10−7 m.
Numerical
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Solution
Given: c = 3 × 108 ms−1
λ = 6 × 10−7 m
Formula: \[f=\frac{c}{\lambda}\]
\[f=\frac{3\times10^8}{6\times10^{-7}}\]
= 0.5 × 1015
= 5 × 1014 Hz
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