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Wavelength of different ra diations are ...

Wavelength of different ra diations are given below.
`lambda` (A) ` = 300nmlambda` (B) =300 `mumlambda` (C) `=3nmlambda` (D)=`30overset(@)A`
Arrange these radiations in the increasing order of their energies.

Text Solution

Verified by Experts

The wavelengths in m are :
`lambda (A) = 300 nm = 300 xx 10^(-9) m, lambda(B) = 300 mu m = 300 xx 10^(-6) m`
`lambda (C ) = 3 nm = 3 xx 10^(-9) m, lambda (D) = 30 Å = 30 xx 10^(-10) m "or" 3 xx 10^(-9) m`
Since `E prop 1/lambda`, the increasing order of energies is `B < A < C < D.`
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