DP Physics (last assessment 2024)

Question 18N.1.HL.TZ0.28

Date	November 2018	Marks available	[Maximum mark: 1]	Reference code	18N.1.HL.TZ0.28
Level	HL	Paper	1	Time zone	TZ0
Command term		Question number	28	Adapted from	N/A

28.

[Maximum mark: 1]

18N.1.HL.TZ0.28

A beam of monochromatic light is incident normally on a diffraction grating. The grating spacing is d. The angles between the different orders are shown on the diagram.

What is the expression for the wavelength of light used?

A. $\frac{{d\,{\text{sin}}\,\alpha }}{2}$

B. $\frac{{d\,{\text{sin}}\,\beta }}{2}$

C. d sin α

D. d sin β

[1]

Markscheme

Syllabus sections

Additional higher level (AHL)

Additional higher level (AHL) » Topic 9: Wave phenomena » 9.3 – Interference

Additional higher level (AHL) » Topic 9: Wave phenomena

Question 18N.1.HL.TZ0.28

Select a Test

Syllabus sections

Confirm action