A-Level
EDEXCEL
Physics
January 2025
7 Marks
QP-202501-Physics-U5 · Question 16
Question (excerpt):
12 16 Cepheid variable stars are used by astronomers as standard candles. (a) State what is meant by a standard candle. (1) .....................................................................…
12 16 Cepheid variable stars are used by astronomers as standard candles. (a) State what is meant by a standard candle. (1) .....................................................................…
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