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MHT CET 2019 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which one of the following statement is correct?

A
Surface energy is potential energy per unit length
B
Surface tension is work done per unit area
C
Surface tension is work done per unit length
D
Surface energy is work done per unit force
2
MHT CET 2019 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-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 49 English

A
remain same
B
increase
C
may increase or decrease, depending on speed of air
D
decrease
3
MHT CET 2019 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

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

A
$R^{-1}$
B
$R$
C
$R^{-2}$
D
$R^2$
4
MHT CET 2019 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Two small drops of mercury each of radius ' $R$ ' coalesce to form a large single drop. The ratio of the total surface energies before and after the change is

A
$2^{2 / 3}: 1$
B
$\sqrt{2}: 1$
C
$2^{1 / 3}: 1$
D
$2: 1$
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MHT CET Subjects
Physics
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Units & Measurement and Dimensions Vector Algebra Motion Laws of Motion Circular Motion Work, Energy and Power Center of Mass and Collision Rotational Motion Gravitation Simple Harmonic Motion Fluid Mechanics Elasticity Waves Heat and Thermodynamics
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Straight Lines and Pair of Straight Lines Circle Parabola Ellipse Hyperbola
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