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Popular Questions
- Adding detergents to water helps in removing dirty greasy stains. This is because
- there is a circular tube in a vertical plane. two liquid which do not mix
- A wire is stretched under a force. If the wire suddenly snaps, the temperature of the wire
- A drop of oil is placed on the surface of water. Which of the following statement is correct
- For a given material, the Youngs modulus is 2.4 times that of rigidity modulus. Its Poissons ratio is
- A thread is tied slightly loose to a wire frame as in figure and frame is dipped into a soap solution
- There is a circular tube in a vertical plane. Two
- If a glass rod is dipped in mercury and withdrawn out
- The hollow shaft is ... than a solid shaft of same mass, material and length.
- The spherical shape of rain-drop is due to
- If Youngs modulus of elasticity Y for a material is 1.5 times its rigidity coefficient η , the Poissons ratio σ will be
- When the temperature of a glass is 20°C and pressure is changed
- A 10cm long wire is placed horizontally on the surface of water
- 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..
- Two pieces of glass plate one upon the other
- 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..
- Soap helps in cleaning clothes, because
- Cohesive force is experienced between
- 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..
- Oil spreads over the surface of water
- Due to which property of water
- It is easy to wash clothes in hot water because its
- A thin liquid film formed between a U-shaped wire and a light slider supports a weight of
- The force required to separate two glass plates of area
- 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 vessel contains oil over mercury. A homogeneous
- A thin metal disc of radius r floats on water
- The property utilized in the manufacture of lead shots is
- Force necessary to pull a circular plate of
- Writing on black board with a piece of chalk is possible by the property of
- At which of the following temperatures
- A piece of ice is floating on water in a container
- Which of the following relation is true?
- 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
- an object of weight of w and density p is dipped in a Fluid of density,
- The Bulk modulus for an incompressible liquid is
- On heating water, bubbles being formed at the bottom of the vessel detach and rise
- A pin or a needle floats on the surface of water, the reason for this is
