(a) Faster in solids than in liquids and gases
(b) Faster in liquids than in solids and gases
(c) Equal to solids, liquids and gases
(d) Faster in gases than in liquids and solids
Answer-d
(18)
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(a) Faster in solids than in liquids and gases
(b) Faster in liquids than in solids and gases
(c) Equal to solids, liquids and gases
(d) Faster in gases than in liquids and solids
Answer-d
(18)