A beaker of radius 15cm is filled with a liquid of surface tension 0.075 N/m
A drop of oil is placed on the surface of water. Which of the following statement is correct
A thread is tied slightly loose to a wire frame as in figure and frame is dipped into a soap solution
A wire is stretched under a force. If the wire suddenly snaps, the temperature of the wire
For a given material, the Youngs modulus is 2.4 times that of rigidity modulus. Its Poissons ratio is
there is a circular tube in a vertical plane. two liquid which do not mix
The spherical shape of rain-drop is due to
If a glass rod is dipped in mercury and withdrawn out
Due to which property of water
Two pieces of glass plate one upon the other
Cohesive force is experienced between
A 10cm long wire is placed horizontally on the surface of water
Soap helps in cleaning clothes, because
If Temperature increases,the surface tension of a liquid
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..
The following four wires are made of the same material. Which of these will have the largest extension when the same tension is ap..
It is easy to wash clothes in hot water because its
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..
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
The hollow shaft is ... than a solid shaft of same mass, material and length.
A thin liquid film formed between a U-shaped wire and a light slider supports a weight of
Oil spreads over the surface of water
The force required to separate two glass plates of area
The property utilized in the manufacture of lead shots is
At which of the following temperatures
A thin metal disc of radius r floats on water
an object of weight of w and density p is dipped in a Fluid of density,
Force necessary to pull a circular plate of
Writing on black board with a piece of chalk is possible by the property of
A piece of ice is floating on water in a container
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 ..
A pin or a needle floats on the surface of water, the reason for this is
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..
On heating water, bubbles being formed at the bottom of the vessel detach and rise
When the temperature of a glass is 20Â°C and pressure is changed
There is a circular tube in a vertical plane. Two
The Bulk modulus for an incompressible liquid is
If in a wire of Young\s modulus Y, longitudinal strain X is produced, then the potential energy stored in its unit volume will be
A vessel contains oil over mercury. A homogeneous
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