DP Physics (last assessment 2024)

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Question 21N.2.HL.TZ0.c.ii

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Date November 2021 Marks available [Maximum mark: 1] Reference code 21N.2.HL.TZ0.c.ii
Level HL Paper 2 Time zone TZ0
Command term Identify Question number c.ii Adapted from N/A
c.ii.
[Maximum mark: 1]
21N.2.HL.TZ0.c.ii

A longitudinal wave travels in a medium with speed 340 m s−1. The graph shows the variation with time t of the displacement x of a particle P in the medium. Positive displacements on the graph correspond to displacements to the right for particle P.

Another wave travels in the medium. The graph shows the variation with time t of the displacement of each wave at the position of P.

Identify a time at which the displacement of P is zero.

[1]

Markscheme

1.5 «ms» ✓

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