23:3 radiations a, b, c, whose freq...
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23:3 radiations a, b, c, whose frequeneis are 20 and 40 and 60 teneto tlg. Then determine the ratio of wavelengths of a b c.

NEET/Medical Exams
Chemistry
Solution
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( left.begin{array}{l}c=lambda f lambda=c / g lambda_{a}=c lg a quad>frac{c}{20}=frac{3 times 10^{8}}{20}end{array}right} begin{array}{l}lambda_{b}=frac{3 times 10^{8}}{40} 1 cdot lambda_{c}=frac{3 times 10^{8}}{60}end{array} ) ( lambda_{a}: f_{B}: log _{c} B_{i}: ) ( lambda_{k}: i=frac{4}{5}+2: ) 1 ( lambda_{a}: lambda_{b}: lambda_{e}:: 3: 2: 1 )
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