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Question 22M.1.HL.TZ2.37

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Date May 2022 Marks available [Maximum mark: 1] Reference code 22M.1.HL.TZ2.37
Level HL Paper 1 Time zone TZ2
Command term Question number 37 Adapted from N/A
37.
[Maximum mark: 1]
22M.1.HL.TZ2.37

Three correct statements about the behaviour of electrons are:

I.   An electron beam is used to investigate the structure of crystals.
II.  An electron beam produces a pattern of fringes when sent through two narrow parallel slits.
III. Electromagnetic radiation ejects electrons from the surface of a metal. 

Which statements are explained using the wave-like properties of electrons?

A.  I and II only

B.  I and III only

C.  II and III only

D.  I, II and III

[1]

Markscheme

A

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