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Area of orifice is a. Due to ejection of water of density ρ at a constant speed, the equilibrium compression in spring is x. The speed of ejection of water is

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Important Questions on Mechanical Properties of Fluids

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Gamma Question Bank for Engineering Physics>Chapter 9 - Mechanical Properties of Fluids>EXERCISE 9.5>Q 31
Two water droplets merge with each other to form a large droplet. In this process
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Gamma Question Bank for Engineering Physics>Chapter 9 - Mechanical Properties of Fluids>EXERCISE 9.5>Q 32
A spherical liquid drop of radius R is divided into eight equal droplets. If surface tension is T, then work done in the process will be
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Gamma Question Bank for Engineering Physics>Chapter 9 - Mechanical Properties of Fluids>EXERCISE 9.5>Q 33
The excess of pressure inside the soap bubble is twice the excess pressure inside a second soap bubble. The volume of the first bubble is n time the volume of second, where n is
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Gamma Question Bank for Engineering Physics>Chapter 9 - Mechanical Properties of Fluids>EXERCISE 9.5>Q 34
A soap bubble is blown slowly at the end of a tube by a pump supplying air at a constant rate. Which one of the following graphs represents the correct variation of the excess of pressure inside the bubble with time
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Gamma Question Bank for Engineering Physics>Chapter 9 - Mechanical Properties of Fluids>EXERCISE 9.6>Q 39

A cube of side a and density ρ is sliding down an incline plane with constant speed v. There is a thin layer of liquid between cube and surface of the plane. Coefficient of viscosity is η. Inclined plane is at 30° from horizontal plane. Find thickness of liquid layer.

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Gamma Question Bank for Engineering Physics>Chapter 9 - Mechanical Properties of Fluids>EXERCISE 9.6>Q 40
A lead shot of 1mm diameter falls through a long column of glycerine. The variation of the velocity v with distance covered s is represented by
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Gamma Question Bank for Engineering Physics>Chapter 9 - Mechanical Properties of Fluids>EXERCISE 9.6>Q 41
In a surface tension experiment with a capillary tube water rises upto 0.1m. If the same experiment is repeated on an artificial satellite, which is revolving around the earth, water will rise in the capillary tube upto a height of
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Gamma Question Bank for Engineering Physics>Chapter 9 - Mechanical Properties of Fluids>EXERCISE 9.6>Q 42

A capillary tube (A) is dipped in water. Another identical tube (B) is dipped in a soapwater solution. Which of the following shows the relative nature of the liquid columns in the two tubes?