Chapter 9: Class 10 Physics Exam Tests
Class 10 Physics MCQs - Chapter 9
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The MCQs: A ship sends an ultrasound that returns from the seabed and is detected after 3.42 s. If the speed of the ultrasound through seawater is 1300 ms-1, then the distance of the seabed from the ship would be; "Sound" App Download Android & iOS (Free) with answers 2600 m, 3000 m, 2200 m and 2800 m to learn distance learning courses. Practice ultrasound quiz questions, download Apple Book (Free Sample) for online school and college.
MCQ 26: A ship sends an ultrasound that returns from the seabed and is detected after 3.42 s. If the speed of the ultrasound through seawater is 1300 ms-1, then the distance of the seabed from the ship would be
MCQ 27: The speed of sound in solids is
MCQ 28: Humans can hear sound up to the highest frequency of 20,000 Hz. If the wavelength of sound in air at this frequency at a temperature of 20° would be
MCQ 29: The speed of sound in air depends on the
MCQ 30: Sound waves can be transmitted by any
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