CAPE Physics Unit 1 · 2010 · Paper 1 · Question Q23
A wave of amplitude 10\text{ cm} has intensity I_1. Another similar wave has an amplitude of 5\text{ cm} and intensity I_2. What is the value of \frac{I_1}{I_2}?
- (A)2
- (B)4
- (C)20
- (D)50
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