Q1. a) The length of the sun's rays path as it passes through the atmosphere when divided by the minimum possible path l

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Q1 A The Length Of The Sun S Rays Path As It Passes Through The Atmosphere When Divided By The Minimum Possible Path L 1 (39.81 KiB) Viewed 54 times

Q1. a) The length of the sun's rays path as it passes through the atmosphere when divided by the minimum possible path length that occurs when the sun is directly overhead the Earth, is known as air mass ratio (AM). (1) If the Earth's surface is considered a flat surface and given that the sun is 10°above the horizon, give an expression for AM in terms of respective sun's rays paths and angle above the horizon. [9 marks) (ii) What is your interpretation of AMO and AM1.5 in terms of the atmosphere or position of the sun above the horizon or average solar spectrum at the Earth's surface? b) Define the terms ‘PV material', 'back body', 'solar constant' and 'air mass ratio 7