Answer:
Black Hole
Explanation:
A black hole is a very dense and massive stellar object, which has a field of gravity so large that not even light can escape it.
Since it does not emit light, <u>we cannot see them directly</u>, hence the name of black hole.
So in this case,<u> if the object has a mass of 8 solar masses that is enough to form a black hole</u>, and <u>also cannot be seen</u>, all of this indicates that the object we are talking about is a black hole.
It should be mentioned that although these objects do not emit light, because it cannot escape due to the immense force of gravity, black holes can be detected by a type of radiation emitted on their event horizon due to quantum effects called Hawking radiation .
The absolute refractive index is equal to the speed of light of the wave in air divided by the speed of light in the second medium. This means that it is equal to 3 x10^8 / 1.71 x10^8. This means the answer is 1.75
Answer:
the size, length, or amount of something, as established by measuring.
its B 0.225kPa using the formula p=f/A then change the pascals into kpa
Answer:
Explanation:
We have to take into account the expression for the position of the fringes
where m is the number of the maximum, d is the separation of the slits, D is the distance to the screen.
(a) By replacing we obtain
(b) more information is required to solve this point. Please complete the information.
HOPE THIS HELPS!
