Question

calculate wave number and frequency of yellow radiation having wave length 5800a.
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Answer 1

Answer:

0.017×10

Explanation:

Wavelength of light =5800×10

−10

m

frequency =

wavelength

C

=

5800×10

−10

3×10

8

=0.05×10

16

wave no.is reciprocal of wavelength wave no. =

wavelength

1

=0.017×10

8

m

−1

Answer 2

the answer is given in the picture below I have used the following formulas wave number is equal to 1 upon wavelength and velocity is equal to speed of light by frequency and also one metre is equal to 10 raise to the power minus 10 angstrom