Bernoulli's Principle

Q. Vapour pressure of water is 360 mm Hg, how much urea should be added to 200ml water to reduce its vapour pressure by 0.5%?

Q.

What is common in the working of the devices such as a drinking straw, a syringe, a dropper, and a rubber sucker?

Q.

Statement 1: A strong horizontal wind cannot lift off a tin roof.
Statement 2: Bernoulli's Principle relates pressure and velocity of a fluid.

1. Only statement 1 is correct.

2. Only statement 2 is correct.

3. Both the statements are correct.

4. Both statements are incorrect.

Q. Bernoulli's principle gives relationship between pressure and

1. volume
2. density
3. velocity
4. temperature

Q. vapour pressure of water is 360 mm of Hg, how much urea should be added to 200ml water to reduce its vapour pressure by 0.5%?

Q. Bernoulli's principle gives the relationship between pressure and_________ of the fluid.

1. density
2. velocity
3. volume
4. temperature