Concesbl Is the speed of light in glass independent of the colour of light? rnot, which of the two colours red and violet travels slower in aos the eleglass prism?In a Young's double-slit experiment, the slits are separated bv0.28 mm and the screen is placed 1.4 m away. The distance betweenthe central bright fringe and the fourth bright fringe is measuredto be 1.2 cm. Determine the wavelength of light used in the10.4its onlyhe aureat is viewWO maxinexperiment.In Young's double-slit experiment using monochromatic light ofwavelength 2, the intensity of light at a point on the screen wherepath difference is A, is K units. What is the intensity of light at apoint where path difference is 2/3?10.5onpoidA beam of light consisting of two wavelengths, 650 nm and 520 nm.is used to obtain interference fringes in a Young's double-slit10.6experiment.(a) Find the distance of the third bright fringe on the screen fromthe central maximum for wavelength 650 nm.(b) What is the least distance from the central maximum where thebright fringes due to both the wavelengths coincide?nt wasimentIn a double-slit experiment the angular width of a fringe is found tobe 0.2° on a screen placed 1 m away. The wavelength of light used is600 nm. What will be the angular width of the fringe if the entirePmoo10.7erentexperimental apparatus is immersed in water? Take refractive indexof water to be 4/3.What is the Brewster angle for air to glass transition? (Refractiveindex of glass10.8ST= 1.5.)Light of wavelength 5000 Á falls on a plane reflecting surface. Whatare the wavelength and frequency of the reflected light? For whatangle of incidence is the reflected ray normal to the incident ray?10.910.10 Estimate the distance for which ray optics is good approximationfor an aperture of 4 mm and wavelengih 400 nm.招

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What is the Brewster angle for air to glass transition? (Refractive index of glass = 1.5.) %3D

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter3: Interference

Section: Chapter Questions

Problem 62AP: An effect analogous to two-slit interference can occur with sound waves, instead of light. In an...

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Question

Conces
bl Is the speed of light in glass independent of the colour of light? r
not, which of the two colours red and violet travels slower in a
os the ele
glass prism?
In a Young's double-slit experiment, the slits are separated bv
0.28 mm and the screen is placed 1.4 m away. The distance between
the central bright fringe and the fourth bright fringe is measured
to be 1.2 cm. Determine the wavelength of light used in the
10.4
its only
he aure
at is view
WO maxin
experiment.
In Young's double-slit experiment using monochromatic light of
wavelength 2, the intensity of light at a point on the screen where
path difference is A, is K units. What is the intensity of light at a
point where path difference is 2/3?
10.5
onpoid
A beam of light consisting of two wavelengths, 650 nm and 520 nm.
is used to obtain interference fringes in a Young's double-slit
10.6
experiment.
(a) Find the distance of the third bright fringe on the screen from
the central maximum for wavelength 650 nm.
(b) What is the least distance from the central maximum where the
bright fringes due to both the wavelengths coincide?
nt was
iment
In a double-slit experiment the angular width of a fringe is found to
be 0.2° on a screen placed 1 m away. The wavelength of light used is
600 nm. What will be the angular width of the fringe if the entire
Pmoo
10.7
erent
experimental apparatus is immersed in water? Take refractive index
of water to be 4/3.
What is the Brewster angle for air to glass transition? (Refractive
index of glass
10.8
ST
= 1.5.)
Light of wavelength 5000 Á falls on a plane reflecting surface. What
are the wavelength and frequency of the reflected light? For what
angle of incidence is the reflected ray normal to the incident ray?
10.9
10.10 Estimate the distance for which ray optics is good approximation
for an aperture of 4 mm and wavelengih 400 nm.
招

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