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Bernoullis Principle Free Doubts and Solutions

CBSE - XI Science - Physics - Mechanical Properties of Fluids

Derivation of the Bernoulli's therom

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CBSE - XI Science - Physics - Mechanical Properties of Fluids

State the limitations and applications of Bernoulli's principle

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CBSE - XI Science - Physics - Mechanical Properties of Fluids

How viscosity & friction arise from inter molicular forces? How the viscosity of oil helps in applying brakes?

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CBSE - XI Science - Physics - Mechanical Properties of Fluids

A plane is in level flight at constant speed. If the speed of blowing air over the lower wing is 150 km/h and that over the upper wing is 210 km/h, determine the net upward force exerted on the plane. Given area of each wing 20 m². (Take air density to be 1 kg/m³)

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CBSE - XI Science - Physics - Mechanical Properties of Fluids

Find the gravitational energy per unit mass possessed by 1 kg of water if its total energy per unit mass is 200 J at a point where pressure is 1.96 x 104 Pa and velocity is 0.1 m/s.

Asked by Topperlearning User 1st August 2014, 10:31 AM
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CBSE - XI Science - Physics - Mechanical Properties of Fluids

What would happen to the equilibrium of a physical balance when air is blown below one of the pans?

Asked by Topperlearning User 1st August 2014, 9:11 AM
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CBSE - XI Science - Physics - Mechanical Properties of Fluids

Air flows horizontally with the speed of 108 Km/h over the plane roof of the house. If the area of the roof is 28 m2 and the density of air is 1.3 kg/m3 calculate the upthrust exerted on the roof.

Asked by Topperlearning User 1st August 2014, 9:09 AM
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CBSE - XI Science - Physics - Mechanical Properties of Fluids

Determine the total energy per unit mass possessed by water at a point, where pressure is 196x103 N/m2, velocity is 0.2 m/s and height of water level from the ground is 0.40 m.

Asked by Topperlearning User 31st July 2014, 4:34 PM
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CBSE - XI Science - Physics - Mechanical Properties of Fluids

Calculate the gravitational potential energy per unit mass possessed by water if the height of the water level from the ground is 0.20 m?

Asked by Topperlearning User 31st July 2014, 3:37 PM
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CBSE - XI Science - Physics - Mechanical Properties of Fluids

At what speed will the velocity of a stream of water be equal to 10 cm of Hg?

Asked by Topperlearning User 31st July 2014, 3:32 PM
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CBSE - XI Science - Physics - Mechanical Properties of Fluids

Water is flowing with a speed of 4 m/s in a horizontal pipe of non-uniform area of cross-section decreasing from 0.04 m² to 0.01 m² at pressure 40 x 104 Pa. What will be the pressure at narrower end?

Asked by Topperlearning User 31st July 2014, 3:30 PM
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CBSE - XI Science - Physics - Mechanical Properties of Fluids

What are the limitations of Bernoulli's theorem?

Asked by Topperlearning User 31st July 2014, 3:26 PM
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CBSE - XI Science - Physics - Mechanical Properties of Fluids

What happens to the pressure of an ideal liquid when it enters a narrow tube?

Asked by Topperlearning User 31st July 2014, 3:10 PM
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CBSE - XI Science - Physics - Mechanical Properties of Fluids

State Bernoulli's theorem for an ideal liquid flowing through a horizontal tube.

Asked by Topperlearning User 31st July 2014, 3:09 PM
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CBSE - XI Science - Physics - Mechanical Properties of Fluids

Bernoulli's theorem is a consequence of which principle?

Asked by Topperlearning User 31st July 2014, 2:04 PM
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CBSE - XI Science - Physics - Mechanical Properties of Fluids

State Bernoulli's theorem.

Asked by Topperlearning User 31st July 2014, 2:03 PM
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CBSE - XI Science - Physics - Mechanical Properties of Fluids

A liquid is in streamlined flow through a tube of non- uniform cross - section.Prove that sum of its kinetic energy, pressure energy and potential energy per unit mass remains constant.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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