What is the wave number of a beam of light in air, if its frequency is 14 × 10¹4 Hz ?
Q: Some unpolarized light has an intensity of 1315 W/m2 before passing through three polarizing…
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Q: he electric field wave associated with an EM wave is given by E(x,t)= 250N/C sin (wt - 4.85 x 10^7…
A: Electric field associated with an EM wave,
Q: A square, perfectly reflecting surface is oriented in space to be perpendicular to the light rays…
A: Given : edge length of square , a = 2.0 m Distance of mirror from the sun, dm = 3.0 ×1011…
Q: Unpolarized light of intensity 69 W/m2 passes through two polarizing filters. The first filter is…
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Q: A beam of unpolarized light with an intensity of 100 W/m^2 is incident on a polarizer. The polarizer…
A: When unpolarized light encounters a polarizer, only the component of the light wave oscillating in…
Q: In the figure, a beam of light, with intensity 43 W/m2 and polarization parallel to a y axis, is…
A: Given data: The intensity of the light is Io=43 W/m2. The angle is θ1=73°. The angle is θ2=90°.…
Q: A green laser emits a beam of wavelength 532 light nm in the air. The wavenumber k is : Select one…
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Q: (a) How many minutes does it take a photon to travel from the Sun to the Earth? in minutes (b)…
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Q: A light wave has a 604 nm wavelength in the air. Its wavelength in a transparent solid is 416 nm.…
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Q: A certain electromagnetic field traveling in glass has a maximum electric field of 1,204 V/m. What…
A: we know that in vacuum- Fe=Fm qE= qvB…
Q: the 1st one is horizontally polarized, the 2nd one polarizes with an angle of 50 degrees from…
A: Solution:After the first polarization:I2 = I02 = I1cos2θ12 = 9cos 022 =4.5 W/m2After the second…
Q: A state trooper’s car sends out a radar signal at a frequency of 11.5 GHz. Find the wavelength of…
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Q: Germanium has a refractive index of 4. How fast does light move through this material? c=3x108 m/s
A: solution is given as
Q: QUESTION 8 Consider light having a wavelength of 521 nm traveling in a vacuum. Which of the…
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Q: An industrial laser is used to burn a hole through a piece of metal. The average intensity of the…
A: Given data: Intensity (I) = 1.4 × 109 W/m2 Required: The RMS value of electric field
Q: A light wave has a frequency of 5.06 × 1014 cycles per second. (a) What is the wavelength? |x 10-7 m…
A: As per guidelines, only 3 subparts are solved here. A light wave has a frequency of 5.06×1014 cycles…
Q: A beam of light, traveling at speed 3*108 m/s, has wavelength 420 nm. What is its frequency?
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Q: Initially unpolarized light is sent along the z-axis into a system of three polarizing sheets placed…
A: Given: Initially light is unpolarized Polarizing angle of polarizing sheet For first sheet, θ1 =…
Q: Unpolarized light of intensity I0 = 950 W/m2 is incident upon two polarizers. The first has its…
A: Given Data: Intensity of unpolarized light (Io) = 950 W/m2.Angle of the second polarizer (θ) = 15o.…
Q: 8) A 1.69x10 Hz electromagnetic wave propagates in carbon tetrachloride with a speed of 2.21x10*.…
A: a) The expression for find index of material is n=cv Substitute values in the above equation…
Q: Unpolarized light is incident on a system of three ideal polarizers. The second polarizer is…
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Q: If the index of refraction of glass for red light is 1.45, what is the speed of a light, the speed…
A: The expression for the speed of a photon in the glass is v=cn Here n is the refractive index…
Q: roblem 8: Unpolarized light of intensity I0 = 850 W/m2 is incident upon two polarizers. After…
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Q: Light with a frequency of 5.85×1014 HzHz travels in a block of glass that has an index of refraction…
A: Given data: Frequency of light (f) = 5.85×1014 Hz Index of refraction of glass (n) = 1.52 Required:…
Q: What is the speed of light traveling from air to a medium of refractive index n=1.5? (Speed of light…
A: Given data:: Refractive index (n) = 1.5 Speed of light in vacuum (c) = 3.0×108 m/s Required: The…
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- An electromagnetic wave with a frequency of 4.72 x 1014 Hz has a speed of 1.71 x 108 m/s when it travels through a medium. What is the index of refraction of that medium?Light reflected from a horizontal surface, such as a road or a lake, has a partial horizontal polarization. We can think of the light as a mixture of horizontally polarized light and unpolarized light. Suppose the reflected light from a road surface is 50%% polarized and 50%% unpolarized. The light intensity is 120 W/m2W/m2.A solar cooker has a rectangular light collection area of 80 cm X 125 cm. If sunlight of intensity 1.2 kW/m² is incident on its surface at an angle of 60 degrees with respect to the normal, calculate the power collected by the solar cooker. O 0.4 kW 0 1 kW O 1.2 kW O 0.6 kW
- An argon gas laser produces a cylindrical beam of light having a cross sectional area A = 4 x 10-6 m². The average power of the beam is P. It is found that the average energy stored in 3 m length of the beam is 30 nJ. What is P? (1 nj = 10-9 J) Hig 30 nW 3 W 6 WA solar sail 32.5 m2 in area and made of an absorptive material is orbiting the Sun in space. The Sun light normally incident on the solar sail exerts a radiation pressure of 3.22E-6 N/m2 on it. If the material is replaced with a reflective material that can complete reflect the Sun light, what will the radiation pressure become (in N/m2)?The wavelength of a light in air is 559 nm. What is its frequency?
- In a dentist's office, an X-ray of a tooth is taken using X-rays. What is the frequency in a vacuum if the wavelength is 4.76x10^-11 meters?10. A beam of light polarized along the y axis and moving along the +z axis passes through two polarizing sheets with axes of polarization oriented 30° and 70° measured clockwise from the positive direction of the y axis. The final intensity of the beam is found to be 61 W/m². What is the initial beam intensity? (1) 280 W/m² (2) 700 W/m² (3) 200 W/m² (4) 50 W/m² .2 (5) 140 W/m² 11. Light of wavelength 520 nm is incident perpendicularly on a diffraction grating having 200 lines/mm. What is the highestA light beam has a frequency of 660 MHz in a material of refractive index 2.00. In another material of refractive index 3.00, its frequency will be A. 440 MHz B. 330 MHz C. 660 MHz D. 1320 MHz E. 990 MHz