Mechanical Engineering - Heat Transfer, Refrigeration and Air Conditioning - Discussion

Discussion Forum : Heat Transfer, Refrigeration and Air Conditioning - Section 1 (Q.No. 38)

Heat Transfer, Refrigeration and Air Conditioning

38.

A perfect black body is one which

is black in colour

absorbs heat radiations of all wave lengths falling on it

reflects all the heat radiations

transmits the heat radiations

Answer: Option

Explanation:

No answer description is available. Let's discuss.

Discussion:

2 comments Page 1 of 1.

Vishal kadam said: 7 years ago

Option B & C both are correct.

RAHUL said: 10 years ago

B because emissivity of perfect black body is 1, that is it absorb all the radiation.

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