Thermal Properties of Matter — Physics STD 11 Science — Question

What is the value of latent heat of ice?

Which physical quantity gives the area of the velocity-time graph?

In a tank filled with fresh water there is a hole in the wall through which water is coming out. If the size of hole becomes little larger, would the velocity of water coming out change? Would the volume of water coming out per second change?

The sign of work done by a force on a body is important to understand. State carefully if the following quantities are positive or negative: Work done by an applied force on a body moving on a rough horizontal plane with uniform velocity.

Give one similarity and one difference between a S.H.M. and a Wave.

Which of the solid, liquid and gas kept at the same mass and same temperature will have the maximum internal energy and which will have the minimum?

What is R in the gas equation PV = nRT? Value of R write in liter atmosphere per Kelvin per mole.

A piece of lead is hammered. Does its internal energy increase? Does the heat enter the lead from outside?

Does the centre of mass of a solid necessarily lie within the body? If not, give an example.