DP Physics (first assessment 2025)

Test builder »

Question 21M.1A.SL.TZ1.16

Select a Test
Date May 2021 Marks available [Maximum mark: 1] Reference code 21M.1A.SL.TZ1.16
Level SL Paper 1A Time zone TZ1
Command term Question number 16 Adapted from N/A
16.
[Maximum mark: 1]
21M.1A.SL.TZ1.16

Three quantities used to describe a light wave are

          I.   frequency
          II.  wavelength
          III. speed.

Which quantities increase when the light wave passes from water to air?

A. I and II only

B. I and III only

C. II and III only

D. I, II and III

[1]

Markscheme

C

Syllabus sections