Question

Is black hole a perfect black body?Give reasons to support your answer.

Answer 1

yes . Because it has so much high gravitational force that light going to it can't reflect as light gets attracted due to its gravitational force.
And if the light does not reflect to our eyes it will appear black. that's from where it has got it's name .

Answer 2

Heya folk !!

Here's the answer you are looking for

First of all, nothing in reality can be considered as a perfect black body.

Here is the answer:

An object is said to be a black body if it absorbs all the radiations around it and then that energy is re-emitted over a wide spectrum. This is known as black body radiation.

But in case of a black hole, it absorbs all the radiations around it. But unfortunately, none of the radiations can escape it because of its vast gravitational pull.

Since, black hole just absorbs energy and doesn't re emit it, I think, it cannot be considered as a black body.



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