For a black body at temperature $727^{\circ} C$, its radiating power is $60\; watt$ and temperature of surrounding is $227^{\circ} C$. If temperature of black body is changed to $1227^{\circ} C$ then its radiating power will be ..... $watt$
  • A$304$
  • B$320$
  • C$240$
  • D$120$
AIPMT 2002, Medium
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