very massive black holes with masses of Billions of solar masses are primarily formed how? A. They have...

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Physics

very massive black holes with masses of Billions of solar massesare primarily formed how?
A.
They have formed from a collapse of a giant gas cloud
B.
They are primarily formed through accretion of matter
C.
The are primarily formed through merging of smaller blackholes.
D.
They have been formed during the Big Bang
What properties of a Black Hole can you determinetheoretically
1.
Mass, magnetic field, and spin
2.
Mass, Spin, and electric charge
3.
Mass, chemical composition, Spin
4.
Spin, magnetic field, and chemical composition.
What can you say about Hawking radiation?
1.
Hawking radiation can only be seen from super-massive Blackholes
2.
The more massive the black hole the later the luminosity throughHawking radiation
3.
The smaller the mass of the black hole the more luminous is theHawking radiation
4.
You can see Hawking radiation only n the infrared
What is the engine in an AGN
1.
Splitting of Uranium atoms
2.
Nuclear fusion of Carbon
3.
An Accretion Disk around a central Black Hole
4.
Hawking radiation

Answer & Explanation Solved by verified expert

3.9 Ratings (767 Votes)

1 The scientist are still not sure on how super massive black holes were formed But the most accepted theory is that they formed in the early universe by the collapse of super massive gas clouds So See Answer

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	A.	They have formed from a collapse of a giant gas cloud
	B.	They are primarily formed through accretion of matter
	C.	The are primarily formed through merging of smaller blackholes.
	D.	They have been formed during the Big Bang

	1.	Mass, magnetic field, and spin
	2.	Mass, Spin, and electric charge
	3.	Mass, chemical composition, Spin
	4.	Spin, magnetic field, and chemical composition.

	1.	Hawking radiation can only be seen from super-massive Blackholes
	2.	The more massive the black hole the later the luminosity throughHawking radiation
	3.	The smaller the mass of the black hole the more luminous is theHawking radiation
	4.	You can see Hawking radiation only n the infrared

	1.	Splitting of Uranium atoms
	2.	Nuclear fusion of Carbon
	3.	An Accretion Disk around a central Black Hole
	4.	Hawking radiation