CAIE A-Level Physics A2 25.1.4 The Use o…Galaxies

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Explain how a standard candle in a distant galaxy can be used to determine the distance of the galaxy from an observer.

standard candle has known luminosity
radiant flux intensity measured by observer
(distance calculated using) $F=L / 4 \pi d^{2}$

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CAIE A-Level Physics A2 25.1.4 The Use of Standard Candles to Determine Distances to Galaxies Topic Practice