Question 69

Sound travels at a speed of 333 $$ms^{-1}$$ in the air; thus, in 1 s, a distance of 333 m is travelled by:

Solution

Sound travels in mechanical waves. A mechanical wave is a disturbance that moves and transport energy from one place to another place through a medium. In sound , disturbance is a vibrating object. It means that sound can travel through air, gasses, liquid etc.

So, Option B is correct answer.

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RRB ALP 10th Aug 2018 shift-1

Sound travels at a speed of 333 $$ms^{-1}$$ in the air; thus, in 1 s, a distance of 333 m is travelled by:

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