a. Define radiant flux intensity. b. State the relationship between radiant flux intensity F and distance d
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a. Define radiant flux intensity.
b. State the relationship between radiant flux intensity F and distance d from the centre of a star.
c. Neptune is the farthest known planet from the Sun in the Solar System. Its distance from the Sun is 30 times greater than the distance of the Earth from the Sun. The radiant flux intensity from the Sun at the Earth is 1400 W m−2. A space probe is close to Neptune. Calculate the maximum radiant power received by an instrument of cross-sectional area 1.0 cm2 on this space probe.
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Related Book For
Cambridge International AS And A Level Physics Coursebook
ISBN: 9781108859035
3rd Edition
Authors: David Sang, Graham Jones, Gurinder Chadha, Richard Woodside
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