Calculate wave number of yellow radiations having wavelength of 5800Å.
Calculate wave number of yellow radiations having wavelength of 5800Å.
(i)1.72X106m-1 (ii)1.67X105m-1 (iii)6.67X1034m-1 (iv)1.6X10-19 Coulomb
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Correct option: 1.72 x 106 m-1
Explanation:
Wave number = 1/ wavelength
Wavelength = 5800 Å = 5800 x 10-10 m
Wave number = 1/5800 x 10-10 m
= 1.72 x 106 m-1
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