Which of the following statements are false ?
(a) In a rainy day sound travels faster.
(b) In a moist air the water vapour quantity is less and its density decreases.
(c) In a dry air the water vapour quantity is more and its density increases.
(d) In a moist air the water vapour quantity is more and its density decreases.
1
(a) and (b)
2
(b) and (c)
3
(c) and (d)
4
(a) and (d)