DP Physics (first assessment 2025)
Question 21N.1A.SL.TZ0.13
Date | November 2021 | Marks available | [Maximum mark: 1] | Reference code | 21N.1A.SL.TZ0.13 |
Level | SL | Paper | 1A | Time zone | TZ0 |
Command term | Question number | 13 | Adapted from | N/A |
13.
[Maximum mark: 1]
21N.1A.SL.TZ0.13
The diagram shows an interference pattern observed on a screen in a double-slit experiment with monochromatic light of wavelength 600 nm. The screen is 1.0 m from the slits.
What is the separation of the slits?
A. 6.0 × 10−7 m
B. 6.0 × 10−6 m
C. 6.0 × 10−5 m
D. 6.0 × 10−4 m
[1]
Markscheme
D