|
Why are the cars and aeroplanes given stream line shape?
|
|
0
|
704
|
August 20, 2016
|
|
Bernoulli's theorem holds for incompressible, non-viscous fluids. How is this relationship changed when the viscosity of the fluid is not negligible?
|
|
0
|
2222
|
August 20, 2016
|
|
Is Bernoulli's theorem valid for viscous liquid?
|
|
0
|
1457
|
August 20, 2016
|
|
What is Torricelle's law?
|
|
0
|
615
|
August 20, 2016
|
|
Write any two points of steamlines
|
|
0
|
680
|
August 20, 2016
|
|
Does it mat ter if one uses gauge instead of absolute pressure in applying Bernoulli's equation?
|
|
0
|
915
|
August 20, 2016
|
|
Can Bernoulli's equation be used to describe the flow of water through a rapid flow in a river?
|
|
0
|
1884
|
August 20, 2016
|
|
What is the terminal velocity of a body in a freely falling system?
|
|
0
|
2071
|
August 20, 2016
|
|
The diameter of ball X is twice of that of Y. What will be the ratio of their terminal velocities in water?
|
|
0
|
2422
|
August 20, 2016
|
|
Where and why high viscosity liquids are used in trains?
|
|
0
|
2731
|
August 20, 2016
|
|
If water in a flask and caster oil in other are violently shaken and kept on a table, then whilch one will come to rest earlier?
|
|
0
|
672
|
August 20, 2016
|
|
Derive an expression for the radius of interference when two soap bubbles of different radii are in contact
|
|
0
|
3144
|
August 20, 2016
|
|
Derive the formula for rise of liquid in a capillary tube (Ascent formula)
|
|
0
|
75587
|
August 20, 2016
|
|
Explain surface energy. Establish its relation with surface tension
|
|
0
|
14077
|
August 20, 2016
|
|
Find the excess pressure:
|
|
1
|
13034
|
August 20, 2016
|
|
Explain why small drops of mercury are spherical and large drops become flat?
|
|
0
|
4557
|
August 20, 2016
|
|
Two capillaries of same length and radii in the ratio 1:2 are connected in series
|
|
1
|
4199
|
August 20, 2016
|
|
A U-shaped wire is dipped in a soap solution and removed
|
|
1
|
2146
|
August 20, 2016
|
|
The cylindrical tube of a spray pump has a crosssection of 8.0 cm2 one end of which has 40 fine holes each of diameter 1.0 mm
|
|
1
|
2686
|
August 20, 2016
|
|
If a capillary tube iis dipped in water in a state of weightlessness, how will be rise of water in capillary tube be dif ferent to that observed under normal condition?
|
|
0
|
3043
|
August 20, 2016
|
|
Why surface tension concept is only held for liquids and not for gases which are also fluids?
|
|
0
|
1977
|
August 20, 2016
|
|
It is better to wash clothes in hot soap solution Why?
|
|
0
|
4294
|
August 20, 2016
|
|
Explain why some oil spreads uniformly on water when others float as drops
|
|
0
|
2698
|
August 20, 2016
|
|
Why does an iron needle float on clean Water but sink when some detergent is added to this water?
|
|
0
|
5311
|
August 20, 2016
|
|
Why the tip of the nib of a pen is split?
|
|
0
|
7452
|
August 20, 2016
|
|
Why do the hair of a shaving brush ding together when taking out of water?
|
|
0
|
1031
|
August 20, 2016
|
|
Small insects can move about on the surface of water. Why?
|
|
0
|
2272
|
August 20, 2016
|
|
One can form a fairly large vertical film of soap solution but not of pure water. Why?
|
|
0
|
1132
|
August 20, 2016
|
|
Why does the free surface of a liquid behave like an elastic stretched membrane?
|
|
0
|
2548
|
August 20, 2016
|
|
What will happen if the length of the capillary tube smaller than the height to which the liquid rises?
|
|
0
|
2551
|
August 20, 2016
|