DP Physics (last assessment 2024)

Test builder »

Question 19M.2.SL.TZ2.ci

Select a Test
Date May 2019 Marks available [Maximum mark: 1] Reference code 19M.2.SL.TZ2.ci
Level SL Paper 2 Time zone TZ2
Command term State Question number ci Adapted from N/A
ci.
[Maximum mark: 1]
19M.2.SL.TZ2.ci

The diagram shows the direction of a sound wave travelling in a metal sheet.

The frequency of the sound wave in the metal is 250 Hz.

State the frequency of the wave in air.

[1]

Markscheme

f = 250 «Hz» OR Same OR Unchanged ✔

Examiners report

Many used a ratio of the speeds to produce a new frequency of 14Hz (340 x 250/6010). It would have helped candidates if they had been aware that the command term ‘state’ means ‘give a specific name, value or other brief answer without explanation or calculation.’

Syllabus sections