DP Physics (last assessment 2024)

Question 18N.3.HL.TZ0.7a.ii

Date	November 2018	Marks available	[Maximum mark: 1]	Reference code	18N.3.HL.TZ0.7a.ii
Level	HL	Paper	3	Time zone	TZ0
Command term	Calculate	Question number	a.ii	Adapted from	N/A

a.ii.

[Maximum mark: 1]

18N.3.HL.TZ0.7a.ii

A probe launched from a spacecraft moves towards the event horizon of a black hole.

(a.ii)

The mass of the black hole is 4.0 × 10³⁶kg. Calculate the Schwarzschild radius of the black hole.

[1]

Markscheme

R_s = « $\frac{{2GM}}{{{c^2}}} = \frac{{2 \times 6.67 \times {{10}^{ - 11}} \times 4.0 \times {{10}^{36}}}}{{9.0 \times {{10}^{16}}}} =$ » 5.9 × 10⁹ «m» ✔

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Option A: Relativity

Option A: Relativity » Option A: Relativity (Additional higher level option topics) » A.5 – General relativity (HL only)

Option A: Relativity » Option A: Relativity (Additional higher level option topics)

Question 18N.3.HL.TZ0.7a.ii

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