1. 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 ii, iii & iv only
ScienceClass 8CBSEAnswered 28 Mar 2026
Answer
Answer is (b) i, ii & iii only
Explanation:
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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