Astronomers observe the chromosphere of the Sun with a filter that passes the red hydrogen spectral line of wavelength 656.3 nm, called the Hα line. The filter consists of a transparent dielectric of thickness d held between two partially aluminized glass plates. The filter is kept at a constant temperature. (a) Find the minimum value of dα light if the dielectric has an index of refraction of 1.378. (b) If the temperature of the filter increases above the normal value increasing its thickness, what happens to the transmitted wavelength? (c) The dielectric will also pass what near-visible wavelength? One of the glass plates is colored red to absorb this light.

Q: In Figure (a), a beam of light in material 1 is incident on a boundary at an angle of 28°. The…

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Q: OB

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Q: The figure below shows the path of a beam of light through several layers with different indices of…

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Q: A beam of light, traveling in air, strikes a plate of transparent material at an angle of incidence…

A: Given,The angle of incidence, θi = 62°The angle of reflected and refracted beams are 90°.

Q: A ray of white light is incident upon a rectangular block of glass with an index of refraction 1.519…

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Q: A beam of clockwise elliptically polarized light is incident from air on a surface of glass of…

A: Refractive index n=1.4 Angle =60∘ angle βi between Ei and the plane of incidence is 61°

Q: Ex. 8 : For a glass plate as a polarizer with refractive index 1.633, calculate the angle of…

A: We have been given that- Glass plate as a polarizer μg=1.633To find-ip=?

Q: Light is traveling through ethyl alcohol and the incident upon a diamond at an angle of 70° with…

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Q: )If the refractive index of glass is 1.55 and the refractive index of air is 1.0003, what is the…

A: Critical angle for total internal reflection is defined as, when the incident light ray travelling…

Q: The angle of incidence of a light beam in air onto a reflecting surface is continuously variable.…

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Q: Light of intensity 10 passes through 4 ideal polarizing sheets. Unpolarized light enters the 1st…

A: Using Malus Law , Intensity of unpolarized light passing through a polarimeter Iout =I02 So Output…

Q: Which of the following statements are (or could be) true? Choose all that apply. A rock at a…

A: 1) The first statement is false. A rock at a temperature of 49 K (Kelvin) will not emit…

Q: A ray of white light traveling through air enters a triangular prism that has an index of…

A: Given data: The refractive index of the prism experienced by the red light is, μR=1.515 The…

Q: In this example, we will apply Snell's law to the refraction of light across a water–air interface.…

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Q: The dispersion coefficient of a material is dn/dλ = -16.1 x10-5 nm-1, such that no 1.500 when Ao =…

A: Given,The dispersion coefficient, The angle of incidence, Now,

Q: Light with an energy flux of 18 W/cm falls on a non-reflecting surface at normal incidence. If the…

A: Given Energy flux of the light is I=18 W/cm2=18×104 W/m2 Area of the surface is A=20 cm2=20×10-4 m2…

Q: A ray of white light traveling through air enters a triangular prism that has an index of refraction…

A: The refractive index of the prism experienced by the red light is, μR=1.513 The refractive index of…

Q: A ray of light is incident on an air/water interface. The ray makes an angle of θ1 = 34 degrees with…

A: Given data The angle of incident is θ1=34o The refractive index of the air is n1=1 The refractive…

Q: beam of light passes through a crystal with index of refraction of 1.65. The crystal has a thickness…

A: According to Snell's law refractive index μ = Sin i/Sin r  i = angle of incidence  r = angle of…

Q: The indexes of refraction for violet light (l = 400 nm) and red light (l = 700 nm) in diamond are…

A: Given, Refractive index for red light, ηred=2.41 Refractive index for violet light, ηviolet=2.46…

Q: In this example, we will apply Snell's law to the refraction of light across a water–air interface.…

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Q: The drawing shows an edge-on view of the solar panels on a communications satellite. The dashed line…

A: Given that:- Impinging power=P=2700

Q: A fiber optic is made by cladding a thin fiber core of refractive index n₁ = 1.45 with a material of…

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Q: A beam of laser light with wavelength 623 nm is directed through a slab of glass having index of…

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Q: A beam of white light enters the glass and forms a red and blue component. The refractive index of…

A: Snell's law in optics is used to trace a ray of light and find out related parameters like angle of…

Q: A ray of white light traveling through air enters a triangular prism that has an index of refraction…

A: Snell's law is n1sinθ1=n2sinθ2…

Q: The index of refraction for violet light in silica flint glass is 1.66, and that for red light is…

A: According to Snell's law, n = sinθisinθr

Q: Unpolarized light is sent into a system of three polarizing sheets. The angles θ1, θ2, and θ3 of the…

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Q: In the figure, light from ray A refracts from material 1 into a thin layer of material 2, crosses…

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Q: In Figure, light is incident at angle 6,=40.1° on a boundary between two transparent materials. Some…

A: The given values are: Here, n5 denotes the refractive index of air.

Q: You are underwater, on the seafloor, looking up. Use n=1.33 for the index of refraction of water. At…

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Q: A ray of white light traveling through air enters a triangular prism that has an index of refraction…

A: Given: The index of refraction for red light is nr=1.512. The index of refraction for violet right…

Q: If light makes an angle 28 degree with the surface of salty water having a refractive index of 1.33.…

A: Concept used: Snell's law of refraction is used.

Q: Photons with a wavelength of 549 nm in air enter a plate of flint glass with index of refraction n =…

A: Given Wavelength of the photons in air is given as λ=549 nm=549×10-9 m Index of refraction of flint…

Q: A bichromatic source produces light having wavelengths in vacuum of 450 nm and 650 nm. The indices…

A: The given values are, λ1=450 nmλ2=6450 nmn1=1n2=1.440n'2=1.420θi=50.0°

Q: The index of refraction of the core of a piece of fiber optic cable is 1.72. If the index of the…

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Q: A ray of white light traveling through air enters a triangular prism that has an index of refraction…

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Q: Light with an energy flux of 18 W/cm2 falls on a nonreflecting surface at normal incidence. If the…

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Q: The light ray travels from the air to water under the angle of incidence of 40.0. What is the angle…

A: According to the Snell’s law, sinisinr=nrni

Q: ackson is standing in air and is shining a flashlight at a 62-cm-thick slab of glass. His beam makes…

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Q: The absolute index of refraction for a substance is 2.0. In this substance what is the critical…

A: Given data:  Index of refraction for a substance (n1) = 2.0 Required: The critical angle for light…

Q: The figure below shows the path of a beam of light through several layers with different indices of…

A: Given : Beam of light passes through different media .Our task is to calculate the value of emergent…

Q: Which one of the below statements is wrong?    Select one: Color dispersion in a dielectric…

A: For statement no 2: Refractive index of glass: ng = 1.5 Refractive index of water: nw = 1.3 Radius…

Q: A beam of light, traveling in air, strikes a plate of transparent material at an angle of incidence…

A: The angle of incidence is given as θi=56° The angle between the reflected and the refracted beam is…

Interference of Light

The word "constructive" signifies addition in interference. Constructive interference occurs when the path of the waves that start from the slit differs by 1 entire wavelength or in the intervals of the same. Hence, the waves that are presented on the screen are in phase (crest to crest/trough to trough). The waves interfering constructively forms bright fringes on the screen.