[Answered] When a star collapses to half size, the gravitational field at its surface A) doubles. B) ...

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Author Question: When a star collapses to half size, the gravitational field at its surface A) doubles. B) ... (Read 74 times)

Sportsfan2111

Hero Member
Posts: 585

on: Jul 29, 2018

When a star collapses to half size, the gravitational field at its surface

A) doubles.
B) quadruples.
C) increases eightfold.
D) remains constant.

Question 2

Compared to the event horizon, the photon sphere of a black hole is

A) nearer the singularity.
B) farther from the singularity.
C) at the same location.

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kingfahad97

Sr. Member
Posts: 308

Reply #1 on: Jul 29, 2018

Answer to Question 1

Answer: B

Answer to Question 2

Answer: B

Sportsfan2111

Member
Posts: 585

Reply 2 on: Jul 29, 2018

Gracias!

yeungji

Member
Posts: 319

Reply 3 on: Yesterday

Great answer, keep it coming

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