DP Physics (first assessment 2025)
Question 19N.1A.SL.TZ0.30
Date | November 2019 | Marks available | [Maximum mark: 1] | Reference code | 19N.1A.SL.TZ0.30 |
Level | SL | Paper | 1A | Time zone | TZ0 |
Command term | Question number | 30 | Adapted from | N/A |
30.
[Maximum mark: 1]
19N.1A.SL.TZ0.30
What is meant by the statement that the average albedo of the Moon is 0.1?
A. 10% of the radiation incident on the Moon is absorbed by its surface
B. 10% of the radiation emitted by the Moon is absorbed by its atmosphere
C. 10% of the radiation incident on the Moon is reflected by its surface
D. 10% of the radiation emitted by the Moon is at infrared wavelengths
[1]
Markscheme
C