Physics

When temperature of a liquid increases, its surface tension A. Decreases B. Increases C. Remain Constant … Read More

A car of mass 800kg attains a speed of 25m/s in 20 secs. The power developed … Read More

When the brakes in a car are applied, the frictional force force on the tyres is … Read More

If the stress on a wire is 107NM-2 and the wire is stretched from its original … Read More

A lead bullet of mass 0.05kg is fired with a velocity of 200ms(^{-1}) into a lead … Read More

A ball of mass 0.1kg is thrown vertically upwards with a speed of 10ms-1 from the … Read More

Two bodies have masses in the ratio 3:1. They experience forces which impart to them acceleration … Read More

Particles of mass 10^-2kg is fixed to the tip of a fan blade which rotates with … Read More

The inner diameter of a test tube can be measured accurately using a A. micrometer screw … Read More