Question

Hello!

Calculafe Frequency and wave no. Of A radiation having wavelength 600A?​

Answer 1

Answer-

$10 {}^{8} \times \frac{1}{6} {m}^{ - 1}$

Explanation-

given,

wavelength = 600Å

==> 600Å=$600 \times {10}^{ - 10} m$

AND,

$v = \frac{velocity \: of \: light}{wavelength}$

==> $\frac{3 \times {10}^{8} }{600 \times {10}^{ - 10} }$

==> ${10}^{16} \times \frac{1}{2}$

==> $5 \times {10}^{ - 15} {s}^{ - 1}$

==> wave number,

wave no. =$\frac{1}{wavelength}$

==> $\frac{1}{6 \times {10}^{ - 8} }$

==> ${10}^{8} \times \frac{1}{6} {m }^{ - 1}$

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