Colours of white light travell , Physics

Assignment Help:

Why different colours of white light travell with different speed in a glass prism,while they travell with same speed in air?

Ans)Since in diffeernt medium frequecy remains constant but differnt colors have different wavelengths so velocity changes


Related Discussions:- Colours of white light travell

Electromagnetic waves are transverse waves, Electromagnetic waves are trans...

Electromagnetic waves are transverse waves; that means magnetic vector and electric vector, propagation vector are perpendicular to each other. Prove the statement mathematically.

Josephson effects, Josephson effects (B.D. Josephson; 1962) Electrical ...

Josephson effects (B.D. Josephson; 1962) Electrical effects observed while two superconducting materials are separated through a thin layer of insulating material.

Baryon decay, baryon decay The idea, predicted through several grand-...

baryon decay The idea, predicted through several grand-unified theories, that class of subatomic elements called baryons (of which the nucleons protons & neutrons are members

Does a soccer ball go faster in the air on a cold or hot day, Does a soccer...

Does a soccer ball go faster in the air on a cold or hot day? On a hot day, the air molecules have much kinetic energy - they move more freely. They will move out of the way of

Interfacial polarization, Interfacial polarization takes place whenever the...

Interfacial polarization takes place whenever there is an storage of charge at an interface between two materials or between two regions in a material. As shown in the material ha

Determine the exaggeration produced by the two lens system, Q. (a) Determin...

Q. (a) Determine the'effective  focal length' of the grouping of the two lenses in Exercise 9.10 if they are placed 8.0 cm a part with their principal axes  coincident. Performed t

Maximum height of ball, Maximum Height of Ball A solid ball is revolve ...

Maximum Height of Ball A solid ball is revolve toward a ramp. How elevated will it be when it stops and begins to roll back down? The linear kinetic energy like the bal

Explain plane transmission grating, In plane transmission grating the width...

In plane transmission grating the width of the each slit is same to half of the opaque portion. Which order of spectra will be absent?

What is meant by tunnelling phenomenon, What is meant by tunnelling phenome...

What is meant by tunnelling phenomenon? A tunnel diode is a high conductivity two-terminal P-N junction doped heavily about 1,000 times higher than a conventional junction diod

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd