Class 10 Physics e-Book's MCQs - Complete
Sound Waves in Physics MCQs App Download (Free) & e-Book - 322
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MCQ:
Humans can hear sound up to the highest frequency of 20,000 Hz. If the wavelength of sound in air at this frequency at a temperature of 20° would be
- 5.7×10-2
- 3.7×10-2
- 1.7×10-2
- 2.7×10-2
c
Class 10 Physics App & e-Book Tests PDF Download
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10th Grade Physics MCQs eBook Download
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Class 10 Physics Quiz with Answers
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