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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