Calculate the luminous flux that reaches a surface of 900cm2, if the light source produces an illumination of 50 lux.

Q: Create a transcript for a video that uses Physics to answer ONE of the following questions in less…

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Q: Direct Radio path telescope Reflected path

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Q: (2) A source is positioned 20 m horizontally from the base of a building and illuminates the…

A: The luminous intensity is given by,  L.I=LΩ Here, L.I is the luminous intensity, L is the…

Q: What is light wave communication using optical fibres? Explain in detail.

A: Introduction: Communication is a method of delivering thoughts & ideas to other people either in…

Q: 13. A stepped index optical fibre has a central core of refractive index 1.50, and a cladding of…

A: Given data The refractive index of the core is ncore = 1.50 The refractive index of the cladding is…

Q: 15. Monica was using different colored pieces of clear plastic for an art projec Her little brother…

A: Glass is a transparent object, it means that it allows all light rays color to pass through them.…

Q: . Next, someone enters the same room and installs a new light bulb that only produces red light.…

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Q: A plano-convex lens with radius of curvature R = 3.0 m is in contact with a flat plate of glass. A…

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Q: 2. A point source of light is submerged 2.20 m below the surface of a lake and emits rays in all…

A: Depth of source below surface of water (h) = 2.2 m refractive index of water (nw) = 1.33

Q: Which of these waves will diffract the most when passing through a 20 cm wide opening in a barrier?…

A: It is known that the most important condition for diffraction to happen is : The wavelength of the…

Q: Color ink-jet printers use the CMYK model. When the color ink magenta is sprayed onto a sheet of…

A: We have to write CMYK model.

Q: _____7. Which of the following is true about rainbows? i. Secondary rainbows occur in the order…

A: Secondary rainbow is just opposite to that of a primary rainbow in order. The topmost color in the…

Q: A point source of light is submerged below the surface of a pond and emits light in all directions.…

A: Radius, R = 2 m Depth = d Refractive index, μ=1.33

Q: The Rayleigh criterion provides a convenient way to describe the theoretical resolution (e.g. an…

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Q: The Rayleigh criterion provides a convenient way to describe the theoretical resolution (e.g. an…

A: The angular separation relation is given in terms of wavelength, the diameter of aparture θ=1.22λD

Q: The blue-ringed octopus reveals the bright blue rings that give it its nameas a warning display. The…

A: Here, Given that,n=1.59 n2=1.37t=62 nm

Q: 7. Separation of white light from the sun can be achieved in a few physically distinct ways: (a)…

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Q: 5. Can sound waves be polarized? What about ocean waves or waves propagating on a string? What…

A: Disclaimer: Since you have posted multiple questions, there is no specific question number mentioned…

Q: 1. Consider the following properties of a light wave as it passes from a vacuum to transparent…

A: We have ,  refractive index of vacuum = 1 refractive index of glass = 1.52 i.e, refractive index…

Q: 1. The Resolution of Hubble The Hubble Space Telescope (HST) orbits Earth at an altitude of 613 km.…

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Q: Light has a frequency of 5.50x1014 Hz in a vacuum. It enters a liquid with an index of refraction…

A: When changing medium frequency of light remains constant . a) it's frequency in the medium will be…

Q: 1) The Apollo 11 astronauts set up a panel of efficient corner cube retroreflectors on the Moon's…

A: Center to center distance from earth to moon d=3.84*108m, time interval for laser to travel from…

Q: What is the wavelength of light falling on double slits separated by 1.60 μm if the second–order…

A: 585 nm

Q: A plano-convex lens with radius of curvature R = 3.2 m is in contact with a flat plate of glass. A…

A: In the given right triangle, Suppose thickness of convex lens is 't',  And H = height of right…

Q: You're viewing a specimen under the 40X objective lens (high power). The length of the specimen…

A: Given specimen under the 40X objective lens . A 40x objective makes things appear 40 times larger…

Q: 5. To increase contrast of interference patterns using a non-coherent light, which of following…

A: Given , Interference pattern using non-coherent light.

Q: 3. Light travels from air into an optical fiber with an index of refraction of 1.44.  How fast does…

A: 3. The speed of light travel in a silica fiber is, v=cn=3×108 m/s1.44=2.08×108 m/s

Q: 2- What is the refractive index of sodium chloride if light penetrates it at a speed of 108m/sx1.99?

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Q: A Moving to another question will save this response. Question 6 What is the Brewester's angle for…

A: The refractive index for glass is μ=1.5

Q: 1. What is reflective index and Refractive Index?

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: want a telescope that would allow you to see distinguishing features as small as 3.5 km on the Moon…

A: GivenL=3.5kmr=384000 kmλ=550 nm=550×10−9m

Q: ys in which light is different from any other

A: Given:-  There are two ways in which light is different from any other kind of wave.  Find:-…

Q: 2. A laser beam has a power of 50 mW. It has an aperture of 5 x 10 ³m and wave- length 700 nm.…

A: Given- Power (P) = 50 mW Wavelength (λ) = 700 nm  Focal length (f) = 0.2 m  Area of spread (A) =…

Q: The pupil of the eye is the circular opening through which light enters. Its diameter can vary from…

A: The angular resolution is, sinθ=1.22λaθ=sin-11.22λa   For dim light, θ=sin-11.22558×10-9 m8.0×10-3…

Q: What is refractive index? What is refractive index of air, glass, water?

A: Index of refraction or refractive index of a material is a measure that describes how fast light…

Q: In the macroscopic world, you know that you can hear but cannot see around corners. Under what…

A: Bending of light when sharp obstacle placed in path of light is called diffraction.

Q: Distinguish clearly between refraction and diffraction of light. Draw one ray diagram in each case.…

A: Refraction is the bending of light (it also happens with sound, water and other waves) as it passes…

Q: Calculate the penetration depth of the evanescent field. The angle of incident light is 65° and the…

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Q: 31. The diagram to the right represents a monochromatic orange light as it refracts across the…

A: Refraction is the bending of light (it also happens with sound, water and other waves) as it passes…

Q: Q.4/ For the figure below: air no=1 n,-1.33 n3=1.33 708=41.969 n,-1.5 1- Determine the angles of…

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Dispersion of White Light

Snell’s law is a formula that gives a relation between the angle of incidence and angle of refraction and is given as: