How is radiation emitted from the body, How is radiation emitted from the b...

How is radiation emitted from the body? The body radiates energy by thermal conduction by the skin to the air, clothes, etc, around the body. A small amount of energy would als

Describe power of a lens, Describe power of a lens. Write its SI unit. What...

Describe power of a lens. Write its SI unit. What do you mean by linear magnification produced by a lens in a direction perpendicular to its axis? Write down the mathematical expre

Wavelenght of violet and indigo is small than that of blue, The color of sk...

The color of sky is blue but the wavelenght of violet and indigo is small than that of blue.Then why the color of sky is  blue? Ans) The particles in the atmosphere are able to

Electric field valid for points on the y-axis, Specified the expression bel...

Specified the expression below valid for points in the x-y plane what is the y-component of the electric field valid for points on the y-axis?

Michelson interferometer diagram,

Classes of magnetic materials: soft ferrits, These are non-metallic compoun...

These are non-metallic compounds consisting of ferric oxide and one or two bivalent metal oxides such as NiO, MnO. These have resistivity of the order of 10 9 O cm, which reduces e

Atomand nuclei, what is proton neuton hypothysis

what is proton neuton hypothysis

Causality principle, Causality principle The principle which cause has...

Causality principle The principle which cause has to always preceed effect. More formally, if an event A ("the cause") somehow effect an event B ("the effect") that occurs lat

Calculate the number density of iron atoms, An iron wire has a cross-sectio...

An iron wire has a cross-sectional area equal to 5.00×10-6m2. Carry out the following steps to determine the drift speed of the conduction electrons in the wire if it carries a cur

Laser, why we use he-ni laser light in michelson interferometer

why we use he-ni laser light in michelson interferometer