The atmospheric pressure Pam= 1.013x 10 Pa) and h = 50 cm, then the Q (16): The manometer in the figure is filled with mercury (p= 13600 kg/m). P atm absolute pressure gas in the containers is: P gas a) Pga b) Pgas = 1.87x105 Pa c) Pgas = 1.2x10$ Pa d) Pgas 1.68x10 Pa gas container 1.55x10 Pa Q(17): A convex spherical mirror has a focal length of 20 cm. If an object is placed 5 cm in ront orit the image position is: a) 12 cm in front of the mirror b) 4 cm in front of the mirror c) 12 cm behind the mirror d) 4 cm behind the mirror
Fluid Pressure
The term fluid pressure is coined as, the measurement of the force per unit area of a given surface of a closed container. It is a branch of physics that helps to study the properties of fluid under various conditions of force.
Gauge Pressure
Pressure is the physical force acting per unit area on a body; the applied force is perpendicular to the surface of the object per unit area. The air around us at sea level exerts a pressure (atmospheric pressure) of about 14.7 psi but this doesn’t seem to bother anyone as the bodily fluids are constantly pushing outwards with the same force but if one swims down into the ocean a few feet below the surface one can notice the difference, there is increased pressure on the eardrum, this is due to an increase in hydrostatic pressure.
plz, physics , please solve question 17
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