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IMPORTANT
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A lead shot of 1 mm diameter falls through a long column of glycerine. The variation of its velocity v, with distance covered is represented by

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Important Questions on Fluid Mechanics

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JEE Main
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 13 - Fluid Mechanics>Objective Problems>Q 67
Water flows through a frictionless duct with a cross-section varying as shown in figure. Pressure p at points along the axis is represented by
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JEE Main
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 13 - Fluid Mechanics>Objective Problems>Q 68
From amongst the following curves, which one shows the variation of the velocity v with time t for a small sized spherical body falling vertically in a long column of a viscous liquid, 
EASY
JEE Main
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 13 - Fluid Mechanics>Objective Problems>Q 69
The water droplets in free fall are spherical due to
EASY
JEE Main
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 13 - Fluid Mechanics>Objective Problems>Q 70
Two small drops of mercury each of radius r form a single large drop. The ratio of surface energy before and after this change is
EASY
JEE Main
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 13 - Fluid Mechanics>Objective Problems>Q 71
A waterproofing agent changes, the angle of contact
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JEE Main
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 13 - Fluid Mechanics>Objective Problems>Q 72
With the rise in temperature the angle of contact
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JEE Main
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 13 - Fluid Mechanics>Objective Problems>Q 73
If the angle of contact is less than 90°, then pressure just inside the surface of a meniscus
EASY
JEE Main
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 13 - Fluid Mechanics>Objective Problems>Q 74
Pressure inside two soap bubbles are 1.01 and 1.02 atmospheres. Ratio of their volumes is