Class 7 Science e-Book's MCQs - Complete
Frequency and Pitch MCQ App Free Download & e-Book - 500
Apps:
MCQ:
If frequency increases,
- wavelength also increases
- amplitude also increases
- number of waves also increases
- amplitude decreases
c
Class 7 Science App & e-Book Tests PDF Download
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Frequency and Pitch Textbook App: Free Download iOS & Android
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7th Grade Science MCQs eBook Download
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