Olympiad Test: Sound - 1


10 Questions MCQ Test Science Olympiad Class 8 | Olympiad Test: Sound - 1


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Attempt Olympiad Test: Sound - 1 | 10 questions in 20 minutes | Mock test for Class 8 preparation | Free important questions MCQ to study Science Olympiad Class 8 for Class 8 Exam | Download free PDF with solutions
QUESTION: 1

The speed of sound in air is

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QUESTION: 2

Sound is produced by a

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QUESTION: 3

Shrillness of the sound is determined by the ____ of vibration.

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QUESTION: 4

The length of vocal cords of a man is about

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QUESTION: 5

Human being can hear two sounds separately and distinctly if they are separated by a time interval of _____ second(s).

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QUESTION: 6

The quality of two sounds with the same fundamental frequency differs because of the number and relative loudness of the _____

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QUESTION: 7

An object vibrates with a frequency of 15 Hz. Which of the following is true?

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QUESTION: 8

Maximum displacement of an oscillating body is called

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QUESTION: 9

Sound travels faster in solids than in gases because

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QUESTION: 10

The audible range of sound frequencies for human beings is

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