Question

A block body close to a perfect system has? A. translucent behavior B. black hole's C. cavity radiation D.all​

Answer 1

Answer:

Absorbs all radiation

Explanation:

hope so it helps u out

C is correct

Answer 2

(B) A black body close to a perfect system has black holes.

Explanation:

• The absorption of all incident electromagnetic radiation is a black body and it is also known as cavity radiation.
• Since, it absorbs all the colors of light, it named as black body and it emits black body radiation.
• Black holes are close to a perfect system to absorb all the radiation.
• Depending on the mass of black hole, it emits black body radiation.
• The thermal radiation that is emitted by black holes are called Hawking radiation.
• Black holes cannot absorb photons, since it is larger in size than the holes.