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Air fills a rooms in winter at 7^@ C and...

Air fills a rooms in winter at `7^@ C` and in summer st `37^@ C`. If the pressure is the same in winter and summer, the ratio of the weight of the air filled in winter and that in summer is.

A

`2.2`

B

`1.75`

C

`1.1`

D

`3.3`

Text Solution

Verified by Experts

The correct Answer is:
C
` n = (p V)/(R T)`
`:. n prop 1/ T or m prop 1/T`
`(m_1)/(m_2) = (T_2)/(T_1) = (273 +37)/(273 + 7)`
= `(310)/(280) = 1.1`.
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