A thin film of soap with n = 1.40 hanging in the air reflects dominantly red light with λ = 664 nm. What is the minimum thickness of the film?

Q: Light of wavelength 500 nm is incident perpendicularly from air on a film 10-4 cm thick and of…

A: (a)Use the relation between wavelength and refractive index to calculate the number of wavelengths.…

Q: A thin film of glass (n = 1.52) of thickness 0.420 mm is viewed under white light at near normal…

A: The expression to determine the wavelength,

Q: A flat piece of glass is held stationary and horizontal above the highly polished, flat top end of a…

A: Given,  Length of the rod L=8.5 cm  wavelength λ=530 nm ∆T=21.5°C

Q: A thin film of glass (n 1.52) of thickness 0.420 um is viewed under white light at near normal…

A: The constructive interference in thin films is given by

Q: Red light having a wavelength of 690 nm (in air) is vertically incident on a thin film of oil that…

A:

Q: If you have completely polarized light of intensity 175 W what will its intensity be after passing…

A: Given, completely polarized light intensity Io=175 Wm2 Angle θ=95o

Q: A parallel beam of light from a He-Ne laser, with a wavelength 633nm, falls on two very narrow slits…

A:

Q: A visible laser with wavelength 6.11E-7 m passes through a thin slit that is 8.08E-5 m wide. What is…

A: Given Data:The wavelength of laser beam is Slit width Condition for diffraction minima is To…

Q: Light with a wavelength of 600 nm strikes a thin film. What are the first three film thicknesses at…

A: Given data: The wavelength of light is λ=600 nm.

Diffraction of light

In physics, the term diffraction is defined as the bending of light around the corners of the obstacle. As a light ray passes by an aperture, it bends around the edges or through slits, it spreads out through a narrow opening. The diffracted light will produce fringes of bright and dark or colored bands which are labeled as a diffraction pattern.