Question

Statements given below are incorrect. Write the correct statements.

1. The moisture present in mercury increases the barometric height of simple barometer.

2. When the piston of common water pump is raised its piston valve opens.

3. When the piston of common water pump is lowered its foot valve opens.

4. The vertical height of mercury in a simple barometer is dependant on the area of cross-section of barometer tube.

5. Water barometer is possible provided barometer tube is 9 m. long. ​

Answer 1

Answer:

1 is true

Explanation:

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Answer 2

answer:

1. the moisture present in mercury increases the barometric height of simple barometer

explaination:

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