DP Physics (last assessment 2024)
Question 18N.1.SL.TZ0.30
| Date | November 2018 | Marks available | [Maximum mark: 1] | Reference code | 18N.1.SL.TZ0.30 |
| Level | SL | Paper | 1 | Time zone | TZ0 |
| Command term | Question number | 30 | Adapted from | N/A |
30.
[Maximum mark: 1]
18N.1.SL.TZ0.30
Light of intensity I0 is incident on a snow-covered area of Earth. In a model of this situation, the albedo of the cloud is 0.30 and the albedo for the snow surface is 0.80. What is the intensity of the light at P due to the incident ray I0?
A. 0.14 I0
B. 0.24 I0
C. 0.50 I0
D. 0.55 I0
[1]
Markscheme
B