With a thin air film between two points, 6 fringes appear when light of wavelength 5890 Å is used. Calculate the difference in the thickness of the fi

Question

With a thin air film between two points, 6 fringes appear when light of wavelength 5890 Å is used. Calculate the difference in the thickness of the fi

With a thin air film between two points, 6 fringes appear when light of wavelength 5890 Å is used. Calculate the difference in the thickness of the film between the two points.

Monjur Alahi

7 views

2025-01-04 04:42

1 Answers

Related Questions

A parallel beam of light of wavelenght `560 nm` falls on a film of oil (refractive index `=1.4`). What should be the minimum thickness of the film so

2 Answers 5 Views

In YDSE pattern with light of wavelength `lambda_1 = 500nm`, 15 fringes are obtained on a certain segment of screen. If number of fringes for light of

2 Answers 5 Views

A parallel beam of white light falls from air on a thin film whose refractive index is `sqrt ( 3)` . The medium on both sides of the film is air. The

2 Answers 6 Views

A thin film having refractive index` mu" = 1.5"` has air on both sides. It is illuminated by white light falling normally on it. Analysis of the refle

2 Answers 5 Views

Calculate the phase difference introduced by a calcite crystal plate of thickness 30 micron between ordinary and extraordinary light of wavelength 600

2 Answers 5 Views

A thin film of thickness `4xx10^(-5)` cm and `mu`=1.5 is iluminated by white light incident normal to its surface. What wavelength in the visible rang

2 Answers 5 Views

In a thin film between two points A and B, eight fringes are observed with light of wavelength 5461 Å. How many fringes will be observed between the s

2 Answers 4 Views

White light is incident normally on a plane parallel thin film of µ=1.5. Find the minimum thickness of the film for which light of `lamda`=4000 Å is a

2 Answers 11 Views

A soap film of refractive index 4/3 and thickness `1.5xx10^(-4)`cm is illuminated by white light incident at angle `45^(@)`. The reflected light is ex

2 Answers 8 Views

Sodium light of wavelength 5890 Å is incident normally on a diffraction grating of 5000 rulings per cm. Find the angle of diffraction for the second o

2 Answers 6 Views

Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - 1.767 micron

7 views Answered 2023-02-05 15:29