A wooden stick 2m long is floating on the surface of water. The surface tension of water 0.07 N/m
A square frame of side L is dipped in a liquid. On taking out,a members is formed
A beaker of radius 15cm is filled with a liquid of surface tension 0.075 N/m
Adding detergents to water helps in removing dirty greasy stains. This is because
Surface tension is an atomic/molecular property of
Cohesive force is experienced between
If Temperature increases,the surface tension of a liquid
The spherical shape of rain-drop is due to
Soap helps in cleaning clothes, because
A thread is tied slightly loose to a wire frame as in figure and frame is dipped into a soap solution
A thin liquid film formed between a U-shaped wire and a light slider supports a weight of
If a glass rod is dipped in mercury and withdrawn out
Two pieces of glass plate one upon the other
Due to which property of water
Oil spreads over the surface of water
A thin metal disc of radius r floats on water
It is easy to wash clothes in hot water because its
At which of the following temperatures
The property utilized in the manufacture of lead shots is
For a given material, the Youngs modulus is 2.4 times that of rigidity modulus. Its Poissons ratio is
Writing on black board with a piece of chalk is possible by the property of
A pin or a needle floats on the surface of water, the reason for this is
A 10cm long wire is placed horizontally on the surface of water
A piece of ice is floating on water in a container
A wire is stretched under a force. If the wire suddenly snaps, the temperature of the wire
The force required to separate two glass plates of area
Force necessary to pull a circular plate of
On heating water, bubbles being formed at the bottom of the vessel detach and rise
The following four wires are made of the same material. Which of these will have the largest extension when the same tension is ap..
A U-tube of uniform cross section (see Fig) is partially filled with a liquid I. Another liquid II which does not mix with liquid ..
Two wires of same material and radius have their lengths in ratio 1: 2. If these wires are stretched by the same force, the strain..
If Youngs modulus of elasticity Y for a material is 1.5 times its rigidity coefficient Î· , the Poissons ratio Ïƒ will be
A wire of length L and radius r fixed at one end and a force F applied to the other end produces an extension l . The extension pr..
Which of the following relation is true?
The Poissons ratio cannot have the value
The Bulk modulus for an incompressible liquid is
The hollow shaft is ... than a solid shaft of same mass, material and length.
A particular force (F )applied on a wire increases its length by 2 Ã—10^-3 m. To increase the wire\s length by 4 Ã—10^-3 m t..
Two wires of length l, radius r and length 2l, radius 2r respectively having same Young\s modulus are hung with a weight mg. Net e..
Energy stored in stretching a string per unit volume is
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