Q. 13.8( 24 Votes )

A list of mediums is given below.

(i) wood (iii) air

(ii) water (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 :

Sound can travel through wood, water and air but cannot through vacuum. Sound needs a medium to travel, but in vacuum there is no medium.

Note: When air is completely removed from a vessel, it is said that there is a vacuum in the vessel.

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