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A galss tube, Ad, of uniform cross secti...

A galss tube, Ad, of uniform cross section area, is 88cm long. When the tube is horizontal, it contains two air columns AB (10cm) and CD (40cm), separated by mercuy column BC (38cm), when the tube is kept vertical with end "A" up, the mercury column moves downward by 5 cm. The correct statement(s) regarding the tube is/are:

A

End A of tube is open but end D is closed

B

End A of tube is closed but end D is open.

C

Both the ends of tube is closed.

D

When the tube is kept vertical with end D up, the mercury column will move downward by less than 5 cm.

Text Solution

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The correct Answer is:
c,d
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