1.

In an atomic bomb, the tempearture of 10 million degrees is developed at the moment of explosion. In what region of the spectrum do the wavelength corresponding to maximum energy density lie ? (b=0.28xx10^(-2)"S.I. unit")

Answer»

ultra-violet
visible
infra-red rays
X-rays.

Solution :USE `lamdam.T=b`
`lamdam=(288xx10^(-2))/(10^(7))`
`lamda=288xx10^(-9)`.
which is -RAY.
THUS correct choice is (d).


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