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Which of the following is/are correct regarding electromagnetic radiations ?A. Electromagnetic radiations have dual nature.B. Wavelength order is : `lambda_("violet")lt lambda_("blue")lt lambda_("red")`.C. Energy of all electromagnetic radiations is same.D. Wave number order is : Gamma rays `gt IR gt ` Radio waves. |
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Answer» Correct Answer - A::B::C::D `(A)3xx4xxN_(A)` `(B) 3xx22.4 = 67.2` `(C ) 3xxN_(A) =1.8 xx10^(24)` `(D) (9xx1)/(3xx17)xx100=17.65%` |
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