Working Principle of a Rubber Dropper
1)When rubber dropper is pressed keeping its nozzle inside the water, air is released as

2)Select the option that does not use the mechanism similar to rubber dropper

3)Water rises into the dropper on releasing the bulb because of

4)What is pressure?

5)Pressure can be exerted by

6)The instrument used to measure atmospheric pressure is

7)SI unit of pressure is

8)Water does not come out unless rubber bulb is pressed because

9)As the surface area increases

10)Identify the incorrect application of pressure