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Question 21N.2.HL.TZ0.4d.ii

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Date November 2021 Marks available [Maximum mark: 2] Reference code 21N.2.HL.TZ0.4d.ii
Level HL Paper 2 Time zone TZ0
Command term Explain, State Question number d.ii Adapted from N/A
d.ii.
[Maximum mark: 2]
21N.2.HL.TZ0.4d.ii

Solar radiation falls onto a metallic surface carried by the spacecraft causing the emission of photoelectrons. The radiation has passed through a filter so it is monochromatic. The spacecraft is moving away from the Sun.

(d.ii)

 State and explain what happens to the rate at which charge leaves the metallic surface.

[2]

Markscheme

decreases ✓

as number of photons incident decreases ✓

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