A sound wave has a frequency of 1 kHz and wavelength 50 cm. How long will it take to travel 1 km?

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Q: 33 (NDA-I/2022)
A sound wave has a frequency of 1 kHz and wavelength 50 cm. How long will it take to travel 1 km?
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question_subject: 

Science

question_exam: 

NDA-I

stats: 

0,16,30,15,10,5,16

keywords: 

{'frequency': [0, 0, 1, 3], 'wavelength': [0, 0, 3, 3], 'sound wave': [0, 0, 0, 5]}