DP Physics (last assessment 2024)

Question 18N.1.HL.TZ0.14

Date	November 2018	Marks available	[Maximum mark: 1]	Reference code	18N.1.HL.TZ0.14
Level	HL	Paper	1	Time zone	TZ0
Command term		Question number	14	Adapted from	N/A

14.

[Maximum mark: 1]

18N.1.HL.TZ0.14

X and Y are two coherent sources of waves. The phase difference between X and Y is zero. The intensity at P due to X and Y separately is I. The wavelength of each wave is 0.20 m.

What is the resultant intensity at P?

A. 0

B. I

C. 2I

D. 4I

[1]

Markscheme

Syllabus sections

Core

Core » Topic 4: Waves » 4.2 – Travelling waves

Core » Topic 4: Waves » 4.3 – Wave characteristics

Core » Topic 4: Waves » 4.4 – Wave behaviour

Core » Topic 4: Waves

Question 18N.1.HL.TZ0.14

Select a Test

Syllabus sections

Confirm action