Chapter 9: Class 10 Physics Exam Tests
Class 10 Physics MCQs - Chapter 9
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The Quiz: A sound wave has a frequency of 3 KHz and wavelength 20 cm. How much will it take to travel 2 km; "Sound" App Download iOS & Android (Free) with answers 3.33 s, 4.2 s, 3.9 s and 4.65 s to study online certificate courses. Study sound waves in physics quiz questions, download Amazon eBook (Free Sample) for taking online classes.
MCQ 91: A sound wave has a frequency of 3 KHz and wavelength 20 cm. How much will it take to travel 2 km?
MCQ 92: A human hearing can not hear a sound of frequency more than
MCQ 93: A marine survey ship sends a sound wave to the seabed which receives an echo after 2.5 s. The speed of sound in seawater is 1200 ms-1. The depth of the sea is
MCQ 94: A higher pitch means the
MCQ 95: The echo of sound is more prominent if the surface is
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