Calculate the frequency of the violet light (given lamda = 400 nm)
4.5 X 10-10 Hz
7.5 X 1014 Hz
7.5 X 10-10 Hz
4.5 X 10-14 Hz
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Explanation:
v = nl
n = v / l n = (3 × 10^8)/( 400 × 10^-9 )
n = 7.5 × 10^14
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