Question

Take a transparent glass tube or a
plastic pipe. The length of the pipe/
tube should be about 15 cm and its
diameter should be 5-7.5 cm. Also
take a piece of thin sheet of a good
quality rubber, say, a rubber
balloon. Stretch the rubber sheet
tightly over one end of the pipe.
Hold the pipe at the middle, keeping
it in a vertical position (Fig.11.14).
Ask one of your friends to pour some
water in the pipe. Does the rubber
sheet bulge out? Note also the
height of the water column in the
pipe. Pour some more water

Answer 1

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