MHT CET 2019 3rd May Morning Shift | Fluid Mechanics Question 128 | Physics

When a large bubble rises from bottom of a water lake to its surface, then its radius doubles. If the atmospheric pressure is equal to the pressure of height $H$ of a certain water column, then the depth of lake will be

MHT CET 2019 2nd May Evening Shift

MCQ (Single Correct Answer)

-0

Which one of the following statement is correct?

Surface energy is potential energy per unit length

Surface tension is work done per unit area

Surface tension is work done per unit length

Surface energy is work done per unit force

MHT CET 2019 2nd May Evening Shift

MCQ (Single Correct Answer)

-0

Two light balls are suspended as shown in figure. When a stream of air passes through the space between them, the distance between the balls will

MHT CET 2019 2nd May Evening Shift Physics - Fluid Mechanics Question 46 English

remain same

increase

may increase or decrease, depending on speed of air

decrease

MHT CET 2019 2nd May Evening Shift

MCQ (Single Correct Answer)

-0

The excess of pressure, due to surface tension, on a spherical liquid drop of radius ' $R$ ' is proportional to

$R^{-1}$

$R$

$R^{-2}$

$R^2$

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