Science, asked by Rukshar40, 5 months ago

anyone share me class 8 th science imp questions of sound chapter

Answers

Answered by lakshaylakhanpal105

2

Answer:

Sound Class 8 Extra Questions Long Answer Questions. State the differences between ultrasonic sound and infrasonic sound? (i) Sound of frequency higher than 20,000 Hz is called ultrasonic sound. (i) Sound of frequency lower than 20 Hz is called the infrasonic sound.

Answered by bhardwajsimran0703

3

Ques - how is sound produced by humans??

Ques - define amplitude, time period and frequency with their S.I. unit.

Ques - what is Audible and inaudible sound??

Ques - Define ultra and infra sounds.

Ques - what is noise and musical sound.

Ques - write any 3 sources of noise pollution in detail.

Ques - Write 5 causes of noise pollution that occur in humans if the noise is not stopped.

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brainlist please

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