11th Physics - Online MCQs Test - Past Year Paper 2018

Past Year Paper Online MCQs Test [Physics 2018] class 11th

17 mcqs from physics past year exam 2018 for class 11th (karachi board / science group)

1/17

jQuizMe

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When the temperature of air rises, the speed of sound waves increases because:

1. The wavelength of wave increases
2. The frequency of wave increase
3. Both the frequency and wavelength increases
4. Neither frequency nor wavelength increases