Question

5 marks: (2 x 5 = 10)

1. Derive an expression for the pressure due to a liquid column.

2. Describe the construction and working of mercury barometer.

2 marks: (2 x 2 = 4)

3. Define pressure and give its unit.

4. Mention the factors affecting the pressure exerted by the liquid.

1 mark:

5. What is the value of one atmospheric pressure?​

Answer 1

Answer:

sorry........

Explanation:

l am 7 th standard