Physics, asked by davinarose43, 1 year ago

what is the role of atmospheric pressure in syringes

Answers

Answered by AryaLi
0
when we pull the piston back pressure is reduced to air rushes in
when the needle is in a liquid the atm pressure pushes the liquid into the syringe
Answered by tanyaweaslly398
1
the air pressure plays an important role in the filling of the syringe as the  liquid medicine rushes into the syringe when the air pressure inside it decreases on pulling the piston out 
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