What Is the Meaning of the Schwarzschild Radius Around a Black

question 41

Multiple Choice

What is the meaning of the Schwarzschild radius around a black hole?

• A) It is the radius at which an orbiting object would show a precession.
• B) It is the radius at which gravitational redshift can be detected.
• C) It is the radius at which the black hole's spin equals the speed of light.
• D) It is the radius at which the escape velocity equals the speed of light.
• E) It is the radius at which a body falling onto the black hole would move at half the speed of light.

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Definitions:

Par-value

The nominal or face value of a bond, share of stock, or other financial instrument, representing the value at which it will be redeemed at maturity.

Zero-coupon Bonds

Bonds that do not pay periodic interest and are sold at a discount from their face value; the return comes from the difference between the purchase price and the face value paid at maturity.