NCERT Solutions Class 8 Science Solutions for Exercise in Chapter 13 - Sound

Question 3 Exercise

A list of mediums is given below.

(i) wood

(ii) water

(iii) air

(iv) vacuum

In which of these mediums can sound travel?

(a) i & ii only

(b) i, ii & iii only

(c) iii & iv only

(d) ii, iii & iv only


Answer is (b) i, ii & iii only


Sound required a medium to travel. In vacuum there is no medium to transmit sound waves hence sound cannot travel in vacuum.

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