Class 10 Physics MCQs - Chapter 9

Sound MCQ (Multiple Choice Questions) PDF - 6

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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.

Sound Questions & Answers PDF Download: MCQ Quiz 6

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

A) 3000 m

B) 2600 m

C) 2200 m

D) 2800 m

MCQ 27: The speed of sound in solids is

A) 10 times that in gas

B) 20 times that in gas

C) 5 times that in gas

D) 15 times that in gas

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

A) 5.7×10^-2

B) 3.7×10^-2

C) 1.7×10^-2

D) 2.7×10^-2

MCQ 29: The speed of sound in air depends on the

A) chemical conditions

B) Physical conditions

C) pitch

D) Area

MCQ 30: Sound waves can be transmitted by any

A) medium

B) vacuum

C) empty

D) none of above

Class 10 Physics Mock Tests

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