What is the speed of heat radiation equal to?

  • A
    $A$. $\alpha$-rays
  • B
    $B$. $\beta$-rays
  • C
    $C$. Light waves
  • D
    $D$. Sound waves

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Similar Questions

Which of the following is best close to an ideal black body?

$Assertion$ : The Earth without an atmosphere would be inhospitably cold.
$Reason$ : All heat would escape in the absence of an atmosphere.

$A$ perfectly black body is placed in an enclosure (furnace) at room temperature. Then:

Thermal radiation travels at the speed of . . . . . . .

The surface of a thermos flask is kept shiny because:

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