84. A sound producing body is at considerable distance from a man. There can be four different
and Z between the sound producing body and the man. The medium X brings the sound
quickly whereas medium Z takes the maximum time. The time taken by medium W in brin
man is less than that of X but more than that of Z. The medium Y however, fails to bring the
sound producing body to the man. Which medium could be the one :
(2) having no fixed shape and no fixed volume ?
(b) having a fixed volume but no fixed shape ?
(c) having the same composition as that on the moon ?
(d) having a fixed shape and a fixed volume ?
travel in a miled spring at a rate of 4 m/s. The distance between
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a) having on fixed shape and no fixed volume?
(b) having a fixed volume but no fixed shape?
(c) having the same composition as that on the moon?
(d) having a fixed shape and a fixed volume?
Explanation:
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