Question

The working principle of the dropper
a) Air is compressible
b) Air has Volume
c) Air has weight
d) Air exerts pressure​

Answer 1

$\huge\mathfrak\red{Answer}$

The dropper is a short glass tube with a rubber bulb at one end and a nozzle at the other end. When we press the rubber bulb of the dropper by keeping its nozzle dipped in the liquid , air present in the glass tube and bulb is seen to escape in the form of bubbles.

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Answer 2

Answer:

The dropper is a short glass tube with a rubber bulb at one end and a nozzle at the other end. When we press the rubber bulb of the dropper by keeping its nozzle dipped in the liquid , air present in the glass tube and bulb is seen to escape in the form of bubbles.

Hope it helps!