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Questions  >>  CBSE XII  >>  Physics  >>  Electromagnetic waves
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Q)

State the parts of e.m spectrum to which $2.7 \;k$ (temperature with isotropic radiation filly all space - through to be a relic of the big bang origin of the universe ).

$\begin{array}{1 1} micro\;waves \\ radio\;waves \\ u.v\;rays \\ x-rays \end{array} $

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