Calculate the index of refraction of air, Physics

Assignment Help:

A Rayleigh interferometer (as shown in the figure below) can be used to measure the index of refraction of air. Two transparent tubes (T1 and T2) are placed behind two slits. One of the tubes (T2) was filled with air already, while the other tube (T1) was in vacuum at the beginning. Then air was gradually filled into T1 until reaching the same pressure as T2.  During this process, it was observed that the intensity at P changed 98.5 times. The tube length was 20 cm, wavelength of light was 589.3 nm. Please calculate the index of refraction of air (to the accuracy of 0.00001).

1194_calculate the index of refraction of air.png

Hint: the path length of light in a medium equals to the index of refraction times actual length.


Related Discussions:- Calculate the index of refraction of air

Screw gauge, 1. A screw gauge consists of U- shaped metallic frame F. To on...

1. A screw gauge consists of U- shaped metallic frame F. To one end of this frame, a flat shaft is fixed. On the opposite end of a hollow long cylinder C is fixed. 2. The hollow c

What are the units of fibre optic communication system, What are the units ...

What are the units of fibre optic communication system? Fibre Optic Communication System: This comprises of the given three most important units: a. Transmitter: It has i

Explain electric potential inside hollow conducting shell, Five coulombs of...

Five coulombs of charge are placed on a thin-walled conducting shell. Once the charge has come to rest, the electric potential inside the hollow conducting shell is found to be:

How resistivity depend on the size and shape of wire, Wires A as well as wi...

Wires A as well as wire B are both made out of copper. Wire B is double as long as wire A. The diameter of wire B is doubles that of wire A. Answer: Resistivity is a charac

Properties of fluids, deduce an expression for pressure at any point inside...

deduce an expression for pressure at any point inside a liquid.

The retina – the light detector of the eye, The retina – the light detector...

The retina – the light detector of the eye: The physical aspects of the retina: 1.The absorption of a light photons in a photoreceptor triggers an electrical signal to the bra

How is coiled, How is coiled, twisted or roped fibers terminated? Gener...

How is coiled, twisted or roped fibers terminated? Generally terms the same techniques as with PMMA apply, because this optics are no more that 0,75mm diameter PMMA fibers bunc

What is thermal neutrons, Fast neutrons can be changed into slow neutrons b...

Fast neutrons can be changed into slow neutrons by certain materials known as moderator's  when last moving neutrons pass by a moderator, they combine with the molecules of the mod

Explain single force vector, For any single force vector, there is only one...

For any single force vector, there is only one angle for which its x- and y-components are equal in size. a. What is that angle? b. How many times bigger is a vector at this

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