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Question 19N.1.SL.TZ0.16

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Date November 2019 Marks available [Maximum mark: 1] Reference code 19N.1.SL.TZ0.16
Level SL Paper 1 Time zone TZ0
Command term Question number 16 Adapted from N/A
16.
[Maximum mark: 1]
19N.1.SL.TZ0.16

A pipe is open at both ends. What is correct about a standing wave formed in the air of the pipe?

A. The sum of the number of nodes plus the number of antinodes is an odd number.

B. The sum of the number of nodes plus the number of antinodes is an even number.

C. There is always a central node.

D. There is always a central antinode.

[1]

Markscheme

A

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