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