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A cycle tube has volume 2000 cm^(3). Ini...

A cycle tube has volume `2000 cm^(3)`. Initially the tube is filled to `((3)/(4))^(th)` of its colume by air at pressure of `10^(5) N//m^(2)` under isothermal conditions. The number of strokes of pump, which gives `500 cm^(3)` air in each stroke, to infalte the tube is

A

`21`

B

`12`

C

`42`

D

`11`

Text Solution

Verified by Experts

The correct Answer is:
A
`P_(1)V_(2) = (P_(1)V_(1)) + (P^(1)V^(1))n`
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