Q.

A perfect black body is one which

  • ATransmits all incident radiations
  • BAbsorbs all incident radiations
  • CReflects all incident radiations
  • DAbsorbs, Reflects and Transmits all incident radiations
Correct Answer : (B)

Absorbs all incident radiations

Hints :

A perfect black body is one which Absorbs all incident radiations.

Previous

Which of the following is an advantage of heating by electricity?

Next

Which of the following heating method has maximum power factor?

Join The Discussion