How is it possible to increase the M. A. of the above lever without increasing its length ?

In a cathode ray tube state : How is it possible to increase the rate of emission of electrons.

Is it possible to increase the temperature of a gas without giving it heat? OR Name the process, in which no heat is transfereed to or form a system but the temperature of the system changes.

Is it possible in increase the temperature of a gas without adding heat to it ? Explain.

In a wire of length L, the increase in its length is l . If the length is reduced to half, the increase in its length will be

A wire of length L and radius a rigidlyl fixed at one end. On stretching the other end of the wire with a force F, the increase in its length is L, if another wire of same material but of length 2 L and radius 2 a is stretched with a force 2 F, the increase in its length will be

The possibility of increase in the temperature of gas without adding heat to it happens in

How much should the temperature of a brass rod be increased so as to increase its length by 1% ? Given alpha for brass is 0.00002 .^(@)C^(-1) .

The length of a simple pendulum executing simple harmonic motion is increased by 21% . The percentage increase in the time period of the pendulum of increased length is

A bar of mass m and length l is hanging from point A as shown in the figure . If the Young's modulus of elasticity of the bar is Y and area of cross - section of the wire is A, then the increase in its length due to its own weight will be

Rapid and dramatic increase in shoot length is