Transverse waves can be distinguished from longitudinal waves using the characteristic of

Metal rods of length 20m each are laid end to end to form a bridge at 25oC. What gap will be provided between consecutive rails for the bridge to withstand 7...

A cell whose internal resistance is 0.5Ω delivers a current of 4A to an external resistor,The loss voltage of the cell is

When left in a freezer, a bottle full of water cracks on freezing into ice because of the

Calculate the angle of minimum deviation for a ray which is refracted through an equiangular prism of refractive index 1.4

A 50W electric heater is used to heat a metal block of mass 5kg. If in 10 minutes a temperature rise of 12oC is achieved, the specific heat capacity of the m...

If a force of 50N stretches a wire from 20m to 20.01m, what is the amount of force required to stretch the same material from 20m to 20.05m?

The phase difference between waves P and q in the diagram above is

A man exerts a pressure of 2.8 x 103Nm-2 on the ground and has 4 x 10-2m2 of his feet in contact with the ground. The weight of the man is