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 Temperature increases,the surface tension of a liquid
Two pieces of glass plate one upon the other
If a glass rod is dipped in mercury and withdrawn out
Due to which property of water
Oil spreads over the surface of water
It is easy to wash clothes in hot water because its
A thin metal disc of radius r floats on water
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
If Youngs modulus of elasticity Y for a material is 1.5 times its rigidity coefficient Î· , the Poissons ratio Ïƒ will be
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..
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 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..
Which of the following relation is true?
The Bulk modulus for an incompressible liquid is
The Poissons ratio cannot have the value
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..
Energy stored in stretching a string per unit volume is
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..
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
Which of the following substances has the highest elasticity?
The adjacent graph shows the estension of a wire of length 1 m suspended from the top roof at one end and with a load W connec..
Which of the following rods of same material undergoes maximum elongation when subjected to a given force?
Two spheres P and Q of equal radii have densities
If the volume of a block of aluminium is decreased by 1%, the pressure (stress) on its surface is increased by (Bulk modulus of Al..
a jar is filed with two non- mixing liquids having densities
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