DP Physics (first assessment 2025)

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Question 19M.1A.SL.TZ2.30

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Date May 2019 Marks available [Maximum mark: 1] Reference code 19M.1A.SL.TZ2.30
Level SL Paper 1A Time zone TZ2
Command term Question number 30 Adapted from N/A
30.
[Maximum mark: 1]
19M.1A.SL.TZ2.30

The orbital radius of the Earth around the Sun is 1.5 times that of Venus. What is the intensity of solar radiation at the orbital radius of Venus?

A. 0.6 kW m-2

B. 0.9 kW m-2

C. 2 kW m-2

D. 3 kW m-2

[1]

Markscheme

D

Examiners report

This had a low discrimination index at both SL and HL and although the correct answer was the most popular, all options gained high support. Candidates should be reminded that they have a data booklet and become familiar with its contents before the exam.

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