Class 11 Chemistry Structure of Atom Nature of radiation

Easy

The wavelength of a spectral line of caesium is $460 \ nm$. What is the frequency of the spectral line?

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A
$4.5 \times 10^8 \ Hz$
B
$6.5 \times 10^{14} \ Hz$
C
$3 \times 10^9 \ Hz$
D
$5.6 \times 10^{14} \ Hz$

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Class 11 Questions

Class 11

Chemistry Questions

Chapter

Structure of Atom

Subtopic

Nature of radiation

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