SELECT * FROM question_mgmt as q WHERE id=4230 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=8 AND subId=16 AND chapterId=192 and ex_no='4' AND status=1 ORDER BY CAST(question_no AS UNSIGNED)
Calculate the wavelength of a sound wave whose frequency is 220 Hz and speed is 440 m/s in a given medium.
Frequency of the sound wave, = 220 Hz
Speed of the sound wave, = 440 m s−1
For a sound wave,
Speed = Wavelength × Frequency
Hence, the wavelength of the sound wave is 2 m.
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