NCERT Exemplar XIII — task. Science CBSE, Class 9.

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Establish the relationship between speed of sound, its wavelength and frequency. If velocity of sound in air is

$340\ m s^{–1}$ , calculate

(i) wavelength when frequency is

$256\ Hz$

(ii) frequency when wavelength is

$0.85\ m$

(i) Wavelength when frequency is

$256\ Hz$

$=$

$m$

(ii) Frequency when wavelength is

$0.85\ m$

$=$

$Hz$

(Note: Enter your answer with two decimal digits)

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47. NCERT Exemplar XIII