Which of the following rods of same material undergoes maximum elongation
Which of the following rods of same material undergoes maximum elongation when subjected to a given force? Options (a) l=1…
4 years ago
Properties of Bulk Matter
Water flows through a pipe. The area of cross-section at one place A₁=10 cm²,
Water flows through a pipe. The area of cross-section at one place A₁=10 cm², velocity of flows 1 m/s and…
4 years ago
A layer of glycerine of thickness 1 mm present between a large surface area of 0.1 m².
A layer of glycerine of thickness 1 mm present between a large surface area of 0.1 m². With what force…
4 years ago
A wire elongates by l mm when a load W is hanged from it. If the wire goes over
A wire elongates by l mm when a load W is hanged from it. If the wire goes over a…
4 years ago
A bimetallic strip consists of metals X and Y. It is mounted rigidly at the base as shown
A bimetallic strip consists of metals X and Y. It is mounted rigidly at the base as shown. The metal…
4 years ago
A polished metal plate has a rough and black-spot. It is heated to 1400 K
A polished metal plate has a rough and black-spot. It is heated to 1400 K and brought immediately in dark…
4 years ago
A pan is suspended from a steel wire. Weights are slowly put on the pan
A pan is suspended from a steel wire. Weights are slowly put on the pan and as the weight increases,…
4 years ago
If a small sphere is let fall vertically in a large quantity of still liquid of density
If a small sphere is let fall vertically in a large quantity of still liquid of density smaller than that…
4 years ago
The surface temperature of the sun which has maximum energy
The surface temperature of the sun which has maximum energy emission at 500 nm is 6000 K. The temperature of…
4 years ago
A body is under stress F and has Young’s modulus Y, then the energy
A body is under stress F and has Young's modulus Y, then the energy stored per unit volume equals to…
4 years ago