Physics, asked by rakeshsingh9697, 7 months ago

please solve this physics Questions

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Answered by rs9916948

Answer:

1) the motion present in Mercury decrease decreases the barometer height of simple barometer.

2) when the piston of common water pump is raised it speech on value close.

3) when the piston of common water pump is upward its foot valve opens.

4) the vertical height of mercury in a simple barometer is dependent on the pressure of cross-section of barometer tube.

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