Question

4. The rise in water in the dropper when we press the bulb of a dropper with its nouzle kept in water is due to a. gravity of earth c. shape of rubber b. atmospheric pressure d. pressure of water​

Answer 1

The rise of water in the dropper is due to atmospheric pressure.

When the bulb of a dropper is pressed, the pressure inside the dropper decreases and this causes the water to go inside the dropper.

So option B is correct

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Answer 2

Explanation:

The rise of water in the dropper is due to atmospheric pressure.

When the bulb of a dropper is pressed, the pressure inside the dropper decreases and this causes the water to go inside the dropper.