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Question 18M.1.HL.TZ2.13

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Date May 2018 Marks available [Maximum mark: 1] Reference code 18M.1.HL.TZ2.13
Level HL Paper 1 Time zone TZ2
Command term Question number 13 Adapted from N/A
13.
[Maximum mark: 1]
18M.1.HL.TZ2.13

A string stretched between two fixed points sounds its second harmonic at frequency f.

                                           M18/4/PHYSI/HPM/ENG/TZ2/13

Which expression, where n is an integer, gives the frequencies of harmonics that have a node at the centre of the string?

A.      n + 1 2 f

B.     nf

C.     2nf

D.     (2n + 1)f

[1]

Markscheme

B

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