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Question 20N.1A.HL.TZ0.15

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Date November 2020 Marks available [Maximum mark: 1] Reference code 20N.1A.HL.TZ0.15
Level HL Paper 1A Time zone TZ0
Command term Question number 15 Adapted from N/A
15.
[Maximum mark: 1]
20N.1A.HL.TZ0.15

A travelling wave has a frequency of 500 Hz. The closest distance between two points on the wave that have a phase difference of 60°π3rad is 0.050 m. What is the speed of the wave?

A.  25 m s-1

B.  75 m s-1

C.  150 m s-1

D.  300 m s-1

[1]

Markscheme

C

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