On a day when the intensity of sunlight is 1.00 kW / m2,a circular lens 0.200 m in diameter focuses light onto water ina black beaker. Two polarizing sheets of plastic are placed infront of the lens with their axes at an angle of 20.0º.Assuming the sunlight is unpolarized and the polarizers are100% efficient, what is the initial rate of heating of the waterin ºC / s , assuming it is 80.0% absorbed? The aluminumbeaker has a mass of 30.0 grams and contains 250 grams ofwater. (b) Do the polarizing filters get hot? Explain.

Q: Unpolarized light passes through two polaroid filters that are oriented such that the angle between…

A: Given: The angle between the polarization axes is,

Q: Light reflected at 62.5º from a gemstone in a ring iscompletely polarized. Can the gem be a diamond?…

A: a) Write the expression of Brewster’s law,

Q: A light wave in air strikes the surface of a piece of sapphire (n = 1.55) at 20°. The incident light…

A: Given: Refractive index of air, na = 1 Refractive index of sapphire, ns = 1.55 Striking angle, øi =…

Q: The transmitting antenna on a submarine is 5.00 m above the water when the ship surfaces. The…

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Q: Unpolarized light with an intensity of 72W/m^2 passes through two polarizing filters. If the light…

A: When unpolarized light passes through one filter, the intensity is reduced by 1/2. When this…

Q: Some types of glass have a range of indices of refraction of about 1.4 to 1.7. What is the range of…

A:

Q: In the figure, unpolarized light of intensity 10 = 35 W/ m? falls on a system of four polarizers…

A: Malus's Law is used find intensity of light when unpolarized light falls on polarizer. I=Iocos2θ…

Q: When a vertical beam of light passes through a transparent medium, the rate at which its intensity I…

A: K=1 I=0.05263I0 Refer attachment

Q: The transmission axes of two polarizing sheets are initially parallel.  Through what angle must the…

A: let I0 be the intensity of the unpolarized light Intensity after passing through the first polaroid…

Q: unpolarized light is sent into a system of three polarizing sheets, where the polarizing directions…

A: From Malus law, the expression for the intensity is:

Q: If you have completely polarized light of intensity150 W / m2, what will its intensity be after…

A: Given:  incident intensity, Io = 150 W/m2 Angle = 89 degree

Q: A man shines a flashlight from a boat into the water, illuminating a rock as in the figure below.…

A:

Q: unpolarized light is sent into a system of three polarizing sheets with polarizing directions at…

A:

Q: If polarization in reflection is computed, at what angle will light from the source travelling in…

A: Given, Refractive indices of air and water:

Q: since the light that is scattered out of the incident beam is polarized, why is the transmitted beam…

A: From dual nature of light, light can be considered as a type of electromagnetic wave.…

Q: Daylight falls under the Brewster angle ag on a plane water surface (n = 1.33). The intensity of the…

A: Given: Refractive index, n = 1.33 Intensity of incident light (unpolarized) = Io Brewster angle = αB

Q: Four polarizers are placed in succession with their axesvertical, at 30.0° to the vertical, at 60.0°…

A: Given: The number of polarizers is 4.

Q: During the Apollo XI Moon landing, a retroreflecting panelwas erected on the Moon’s surface. The…

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Q: What angle would the axis of a polarizing filter need tomake with the direction of polarized light…

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Q: A scuba diver sees light reflected from the water’ssurface. At what angle will this light be…

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Q: In the figure, light is incident at angle 6, = 41.0° on a boundary between two transparent…

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Q: The speed of yellow sodium light (wavelength, 589 nanometers) in a certain liquid is measured to be…

A: Given data: Speed of yellow sodium light is, v=1.92×108 m/s

Q: of polarizing material shc vertical. The incident bea nsity of the beam transm

A: GivenI0=1490 W/m2θ1=19.2°θ2=58.2°θ3=106°

Q: A beam of light is emitted in a pool of water from adepth of 82.0 cm. Where must it strike the…

A: Given: The depth of pool is d=82 cm. According to Snell’s law: sinθc=nanw Here, nw is the…

Q: If you have completely polarized light of intensity 150 W /m2, what will its intensity be after…

A: Given, intensity of polarized light, Io = 150 W /m2             Angle between axis of filter and…

Q: am of light is emitted in a pool of water (nwater = 1.33) from a depth of 86.0 cm. At what minimum…

A: Given:- A beam of light is emitted in a pool of water (nwater = 1.33) depth of d =  86.0 cm.= 0.86 m…

Q: The refractive index of an ice is 1.31. At what incident angle is light reflected from the surface…

A: Given,The refractive index of an ice with respect to air = 1.31The refractive index of benzene with…

Q: If polarization by reflection is computed, at what angle will light from the source travelling in…

A: Given : n1=1              n2=1.33 For the reflected beam to be polarized, the incident angle of the…

Q: The angle between the axes of two polarizing filters is 45.0o. By how much does the second filter…

A: The light’s intensity that falls on a polarizer can be found as, Here, I0, I, and θ is the…

Q: When unpolarized light strikes an interface and the reflected beam is completely polarized, what…

A: When some light is reflected it strikes a boundary between two mediums with different refractive…

Q: At what angle will light traveling in air be completely polarized horizontally when reflected from…

A: The angle at which reflected light becomes completely polarized is given by,

Q: Suppose you put on two pairs of Polaroid sunglasses withtheir axes at an angle of 15.0º . How much…

A: The intensity of the transmitted wave is related to the incident wave by the expression,

Q: How long does it take light to travel through a 3.0-mm-thick piece of window glass?

A: The refractive index (n) of the glass be defined as 1.5. Therefore, from the expression of the…

Q: If polarization by reflection is computed, at what angle will light from the source travelling in…

A: The Brewster Angle is given by: θpolarizing = arctan(nt/ni)

Q: The angle between the axes of two polarizing filters is 45.0º . By how much does the second filter…

A: Angle between two filters, A = 45 degree

Q: Show that if you have three polarizing filters, with thesecond at an angle of 45º to the first and…

A:

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: Light with an energy flux of 25 x 10* Wm-²falis on a perfectly reflecting surface at normal…

A:

Q: dex of refraction for red light in water is 1.331, and that for blue light is 1.340. If a ray of…

A:

Q: Three polarizing filters are stacked with the polarizing axes of the second and third at 45.0˚ and…

A: Snell’s law is defined as “The ratio of the sine of the angle of incidence to the sine of the angle…

Q: A beam of polarized light passes through a polarizing filter.When the angle between the polarizing…

A: let Io be the initial intensity,the final intensity of light is,

Q: The index of refraction for red light in water is 1.331 and thatfor blue light is 1.340. If a ray of…

A: given:Refractive index for red light = 1.331Refractive index for blue light = 1.340angle of…

Q: Assuming that a fiber optic cable has an index of refraction of roughly 1.5, and that the light is…

A: Write the expression. IreflectedIincident=n2-n12n1+n22 Substitute the values.            n2=1.5n1=1…