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Popular Questions
- 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 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- If a glass rod is dipped in mercury and withdrawn out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 η , the Poissons ratio σ 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 ×10^-3 m. To increase the wire\s length by 4 ×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
