How does syringe work. Explain the working of syringe.
What is syringe ? Explain essential use of it in our lives.
What happens to mercury level if the barometer is taken to Himalayan region.
What is torricellian vaccum? Who invented torricellian vaccum ?
Draw a well labelled diagram of mercury barometer.
Air filled balloon at higher altitude bursts. why ?
What are the uses of atmospheric pressure ? Write them down in a list.
What happens when cold water is poured in tin can closed inside with hot water?
Difference between air pressure and Atmospheric pressure.
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