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Question 21M.1.HL.TZ1.37

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Date May 2021 Marks available [Maximum mark: 1] Reference code 21M.1.HL.TZ1.37
Level HL Paper 1 Time zone TZ1
Command term Question number 37 Adapted from N/A
37.
[Maximum mark: 1]
21M.1.HL.TZ1.37

What is a consequence of the uncertainty principle?

A. The absorption spectrum of hydrogen atoms is discrete.

B. Electrons in low energy states have short lifetimes.

C. Electrons cannot exist within nuclei.

D. Photons do not have momentum.

[1]

Markscheme

C

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