Define heat engine, Define Heat engine Heat engine is a device by which...

Define Heat engine Heat engine is a device by which a system is made to undergo a cyclic process that results in conversion of heat into work. It is explained as the ratio o

Linearr, linear polarizers whose transmission axes make an angle of 45degre...

linear polarizers whose transmission axes make an angle of 45degree with each other,.The transmitted light intensity through both polarizers is what percentage of the incident inte

Mauls law, Description about mauls law

Description about mauls law

What is the acceleration exactly ?, Accelaration is the rate of change of v...

Accelaration is the rate of change of velocity.It defines how velocity is chaging with respect to time.

Relation between a proton and an alpha particle, A proton and an alpha part...

A proton and an alpha particle pass by the gap of a strong magnet.  If both particles have the similar initial velocity, how many times greater will the defection of the proto

Forces and nature,

Experiment of iron pan, Iron pan This is useful for many experiments in...

Iron pan This is useful for many experiments in chemistry. The lid of a preserving jar is looped with galvanized wire. The free end of the wire is embedded in a piece of wooden

Inertia with a spade, Inertia with a spade Scoop up a spadeful of dry e...

Inertia with a spade Scoop up a spadeful of dry earth. Now pitch the earth away from you. View that when the spade stops the earth flies on due to inertia.

Waves, what are coherent waves

what are coherent waves

Properties of electric lines of force, Q. Give any three properties of elec...

Q. Give any three properties of electric lines of force. Properties of lines of forces: (i) Lines of force begin from positive charge and terminate at negative charge. (ii