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Question

Two glass bulbs A and B are connected by a very small tube of negligible volume having a stop cock. Volume of bulb A is 100 cm3 and it contains some gas. Bulb B is empty on opening the stop cock, the pressure dropped by 60%. The volume of Bulb B must be____.


A

100 cm3

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B

150 cm3

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C

200 cm3

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D

180 cm3

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Solution

The correct option is B

150 cm3


If V is the volume of B , the total volume after opening stopcock is (100 = V) cm3

100×P=100+V×40P100V=150 cm3


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