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Question 19N.1A.HL.TZ0.27

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Date November 2019 Marks available [Maximum mark: 1] Reference code 19N.1A.HL.TZ0.27
Level HL Paper 1A Time zone TZ0
Command term Question number 27 Adapted from N/A
27.
[Maximum mark: 1]
19N.1A.HL.TZ0.27

Light of frequency 500 THz is incident on a single slit and forms a diffraction pattern. The first diffraction minimum forms at an angle of 2.4 x 10–3 rad to the central maximum. The frequency of the light is now changed to 750 THz. What is the angle between the first diffraction minimum and the central maximum?

A.  1.6 × 10–3 rad

B.  1.8 × 10–3 rad

C.  2.4 × 10–3 rad

D.  3.6 × 10–3 rad

[1]

Markscheme

A

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