Solved UPSC CDS/OTA Question
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Q · Waves and SoundEasy · 45s
Doppler effect explains the change in which property of a sound wave? 101
TopicWaves and Sound
Question Typemultiple choice
DifficultyEasy
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Doppler effect causes an apparent change in frequency due to relative motion.
109
Final Answer: Option C - Frequency
106