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Kriti
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Asked: 2026-10-14T05:53:53+00:00 In:

For a sound wave propagating in a medium, increasing its frequency will increase its (i) wavelength (ii) speed (iii) number of compressions per second (iv) time period

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The correct option is (iii). Frequency measures complete oscillations per second; higher frequency increases the count of compressions passing a fixed point each second while shortening wavelength and time period.

CBSE Class 9 Science Chapter 10 Sound Waves Characteristics and Applications Solutions

NCERT Class 9 Science Exploration Chapter 10 Question Answer

a sound wave propagating in a mediumclass 9 science chapter 10 sound waves solutionsincreasing its frequency will increase itsncert solutions – sound waves: characteristics and applicationsscience exploration class 9 exercise 10 solutions
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