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IMPORTANT
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A closed cubical box is completely filled with water and is accelerated horizontally towards the right with an acceleration a. The resultant normal force by the water on the top of the box

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Important Questions on Fluid Mechanics

EASY
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 13 - Fluid Mechanics>OBJECTIVE I>Q 17
A closed cubical box is completely filled with water and is accelerated horizontally towards the right with an acceleration a. The resultant normal force by the water on the top of the box. Let the water push the left wall by a force F1 and the right wall by a force F2.
EASY
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 13 - Fluid Mechanics>OBJECTIVE I>Q 18
Water enters through end A with a speed v1 and leaves through end B with a speed v2 of a cylindrical tube AB. The tube is always completely filled with water. In case I the tube is horizontal, in case II it is vertical with the end A upward and in case III it is vertical with the end B upward. We have v1=v2 for
EASY
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 13 - Fluid Mechanics>OBJECTIVE I>Q 19
Bernoulli's theorem is based on the conservation of
MEDIUM
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 13 - Fluid Mechanics>OBJECTIVE I>Q 20
Water is flowing through a long horizontal tube. Let PA and PB be the pressures at two points A and B of the tube. Which of the following is true?
EASY
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 13 - Fluid Mechanics>OBJECTIVE I>Q 21
Water and mercury are filled in two cylindrical vessels up to the same height. Both vessels have a hole in the wall near the bottom. The velocity of water and mercury coming out of the holes are v1 and v2 respectively. Which of the following is true?
MEDIUM
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 13 - Fluid Mechanics>OBJECTIVE I>Q 22
A large cylindrical tank has a hole of area A  at its bottom. Water is poured in the tank by a tube of equal cross-sectional area A ejecting water with speed v.
MEDIUM
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 13 - Fluid Mechanics>OBJECTIVE II>Q 1
A solid floats in a liquid in a partially dipped position. Which of the following are true?
EASY
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 13 - Fluid Mechanics>OBJECTIVE II>Q 2
The weight of an empty balloon on a spring balance is W1. The weight becomes W2 when the balloon is filled with air. Let the weight of the air itself be w. Neglect the thickness of the balloon when it is filled with air. Also, neglect the difference in the densities of air inside and outside the balloon.