Which of the following are true about speed of sound? (i) Sound propagates through a medium at a finite speed. (ii) The speed of sound decreases when we go from solid to gaseous state. (iii) Speed of sound increases with increase in temp. (a) only (i) (b) (i) & (iii) (c) (i), (ii) & (iii) (d) (i) & (ii)

Which of the following are true about speed of sound? (i) Sound propa

1.	Which of the following are true about speed of sound? (i) Sound propagates through a medium at a finite speed. (ii) The speed of sound decreases when we go from solid to gaseous state. (iii) Speed of sound increases with increase in temp. (a) only (i) (b) (i) & (iii) (c) (i), (ii) & (iii) (d) (i) & (ii)
Answer» The correct option is: (b) (i) & (iii)

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