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Question 18N.2.SL.TZ0.a

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Date November 2018 Marks available [Maximum mark: 2] Reference code 18N.2.SL.TZ0.a
Level SL Paper 2 Time zone TZ0
Command term Show that Question number a Adapted from N/A
a.
[Maximum mark: 2]
18N.2.SL.TZ0.a

The ratio  distance of Mars from the Sun distance of Earth from the Sun = 1.5.

Show that the intensity of solar radiation at the orbit of Mars is about 600 W m–2.

[2]

Markscheme

use of  I ∝ 1 r 2  «1.36 × 103 × 1 1.5 2 » ✔

604 «W m–2» ✔

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