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- University physics volume 3
- Unit 1. optics
- Interference
- The michelson interferometer
Suppose that the highest order fringe that can be observed is the eighth in a double-slit experiment where 550-nm wavelength light is used. What is the minimum separation of the slits?
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The interference pattern of a He-Ne laser light
passing through two slits 0.031 mm apart is projected on a screen 10.0 m away. Determine the distance between the adjacent bright fringes.
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Young’s double-slit experiment is performed immersed in water (
). The light source is a He-Ne laser,
in vacuum. (a) What is the wavelength of this light in water? (b) What is the angle for the third order maximum for two slits separated by 0.100 mm.
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A double-slit experiment is to be set up so that the bright fringes appear 1.27 cm apart on a screen 2.13 m away from the two slits. The light source was wavelength 500 nm. What should be the separation between the two slits?
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An effect analogous to two-slit interference can occur with sound waves, instead of light. In an open field, two speakers placed 1.30 m apart are powered by a single-function generator producing sine waves at 1200-Hz frequency. A student walks along a line 12.5 m away and parallel to the line between the speakers. She hears an alternating pattern of loud and quiet, due to constructive and destructive interference. What is (a) the wavelength of this sound and (b) the distance between the central maximum and the first maximum (loud) position along this line?
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A hydrogen gas discharge lamp emits visible light at four wavelengths,
410, 434, 486, and 656 nm. (a) If light from this lamp falls on a
N slits separated by 0.025 mm, how far from the central maximum are the third maxima when viewed on a screen 2.0 m from the slits? (b) By what distance are the second and third maxima separated for
?
a. 9.8, 10.4, 11.7, and 15.7 cm; b. 3.9 cm
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Monochromatic light of frequency
falls on 10 slits separated by 0.020 mm. What is the separation between the first and third maxima on a screen that is 2.0 m from the slits?
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Eight slits equally separated by 0.149 mm is uniformly illuminated by a monochromatic light at
. What is the width of the central principal maximum on a screen 2.35 m away?
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Eight slits equally separated by 0.149 mm is uniformly illuminated by a monochromatic light at
. What is the intensity of a secondary maxima compared to that of the principal maxima?
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A transparent film of thickness 250 nm and index of refraction of 1.40 is surrounded by air. What wavelength in a beam of white light at near-normal incidence to the film undergoes destructive interference when reflected?
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An intensity minimum is found for 450 nm light transmitted through a transparent film
in air. (a) What is minimum thickness of the film? (b) If this wavelength is the longest for which the intensity minimum occurs, what are the next three lower values of
for which this happens?
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A thin film with
is surrounded by air. What is the minimum thickness of this film such that the reflection of normally incident light with
is minimized?
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Questions & Answers
The different examples for collision
Afework
What is polarization and there are type
Polarization is the process of transforming unpolarized light into polarized light.
types of polarization
1. linear polarization.
2. circular polarization.
3. elliptical polarization.
Eze
Describe what you would see when looking at a body whose temperature is increased from 1000 K to 1,000,000 K
how is tan ninety minus an angle equals to cot an angle?
please I don't understand all about this things going on here
In physics and mechanics, torque is the rotational
equivalent of linear force. It is also referred to as the
moment, moment of force, rotational force or turning
effect, depending on the field of study.
Teka
Torque refers to the rotational force. i.e Torque = Force × radius.
Arun
Torque is the rotational equivalent of force .
Specifically, it is a force exerted at a distance
from an object's axis of rotation. In the same way
that a force applied to an object will cause it to
move linearly, a torque applied to an object will
cause it to rotate around a pivot point.
Teka
Torque is the rotational equivalence of force . So,
a net torque will cause an object to rotate with an
angular acceleration. Because all rotational
motions have an axis of rotation, a torque must
be defined about a rotational axis. A torque is a
force applied to a point on an object about the
axis
Teka
When a missle is shot from one spaceship towards another, it leaves the first at 0.950c and approaches the other at 0.750c. what is the relative velocity of the two shipd
how to convert:m^3/s^2 all divided by kg to cm^3/s^2
Is there any proof of existence of luminiferious aether ?
mass conversion of 58.73kg =mg
is Space time fabric real
What's the relationship between the work function and the cut off frequency in the diagram above?
due to the upthrust weight of the object varise with force in which the body fall into the water pendincular with the reflection of light with it
Gift
can someone explain what is going on here
falanga
so some pretty easy physics questions bring em
falanga
what is meant by fluctuated
If n=cv then how v=cn?
and if n=c/v then how v=cn?
Natanim
what is electrolysis
Mbah
Electrolysis is the chemical decomposition of electrolyte either in molten state or solution to conduct electricity
Ayomide
class ninekasindhtextbookurdusave
can someone help explain why v2/c2 is =1/2
Using The Lorentz Transformation For Time
Spacecraft S′ is on its way to Alpha Centauri when Spacecraft S passes it at relative speed c /2. The captain of S′ sends a radio signal that lasts 1.2 s according to that ship’s clock. Use the Lorentz transformati
Jennifer
Source:
OpenStax, University physics volume 3. OpenStax CNX. Nov 04, 2016 Download for free at http://cnx.org/content/col12067/1.4
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