A-LevelPhysicsWavesFeb/Mar 2024Paper 1 Q241 Mark
The range of frequencies of sound waves emitted by blue whales is 10 Hz to 40 Hz. The speed of sound in seawater is approximately 1.5kms⁻¹. What is the approximate range of wavelengths of the sound waves emitted by blue whales?
A6.7 mm to 27 mm
B3.8 cm to 15 cm
C6.7 m to 27 m
D38 m to 150 m
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The correct answer is D. This question tests the candidate's understanding of waves within the Physicssyllabus. The examiner's mark scheme requires...
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Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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