Write the expression for equivalent focal length, What occures to the norma...

What occures to the normal shift when the thickness of the optical medium is decreased? Write down the expression for equivalent focal length of combination of two thin lenses d

What is intramodal dispersion in optical fibres, What is intramodal dispers...

What is intramodal dispersion in optical fibres? Intramodal dispersion (Δτ mat ) Intramodal dispersion is nothing although material dispersion. The velocity dissimilarity of

Permeability of free space, Permeability of free space; magnetic constant; ...

Permeability of free space; magnetic constant; mu_0 The ratio of the magnetic flux density in a substance is to the external field strength for vacuum. This is equal to 4 pi x

What is the means in which light waves travel, What is the means in which l...

What is the means in which light waves travel? Ans: Light is the only type of wave that doesn't require a medium. Confirmation that light will travel through vacuum is the

Forces and nature,

Radio active series, Radio active series There are three radio active s...

Radio active series There are three radio active series depending on their progenitor. They are i) Uranium series called (2n+2) series, ii) Actino-Uranium series, call

Kinematics, an object has moved through a distance.can it have zero displac...

an object has moved through a distance.can it have zero displacement?if yes support your answer with an example

Electrostatics, can whole charge of a body be transfered to other?

can whole charge of a body be transfered to other?

How does speed is increased by using a bicycle, Using a bicycle Turn a ...

Using a bicycle Turn a bicycle upside down so that it rests on the seat and handlebars. Turn the pedal wheel precisely one turn and note the number of turns made by the rear wh

Example on diffraction, Diffraction is the spreading of light that takes pl...

Diffraction is the spreading of light that takes place when it pass through a thin slit or small hole or passes by an obstacle Answer: Diffraction is the spreading of any k