A black body is heated from $7\,^oC$ to $287\,^oC$. The ratio of radiation emitted is
A black body is heated from $7\,^oC$ to $287\,^oC$. The ratio of radiation emitted is
- A
$1.256$
- B
$1.27$
- C
$1.16$
- D
$1.64$
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