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For the LED shown in the Figure, design the radius R for the curvature of the...
a convex spherical surface of radius of curvature +50mm separates air from glass of refractive index...
a convex spherical surface of radius of curvature +50mm separates air from glass of refractive index 1.6. a parallel pencil of ray in air is incidents on this surface. Find where the refracted pencil comes to a focus in the glass.
A 1/4 sphere of radius R placed on the table, the sphere is made of glass...
A 1/4 sphere of radius R placed on the table, the sphere is made of glass with refractive index squareroot 3, a beam of light parallel to the table strikes on the sphere and leaves the sphere as the figures shown, if the incident light is squareroot 3R/2 from the table, find out the refractive angle theta.
plz? help sir .......... A transparent glass hemisphere with radius R and mass m has an...
plz? help sir
..........
A transparent glass hemisphere with radius R and mass m has an index of refraction n. In the medium outside the hemisphere, the index of refraction is equal to one. A parallel beam of monochromatic laser light is incident uniformly and normally onto the central portion of its planar surface, as shown in Figure 3. The acceleration of gravity g is vertically downwards. The radius 8 of the circular cross-section of the laser beam is much...
The figure illustrates qualitatively a corrective lens of -2.75 diopters. R 8.46 cm The lens material...
The figure illustrates qualitatively a corrective lens of -2.75 diopters. R 8.46 cm The lens material is CR-39 monomer, with an index of refraction of 1.499. Calculate R, the radius of curvature of the outer surface for the lens. Note: the diopter is a measure of the refractive power of a lens, and equals the reciprocal of the focal length in meters. (Example: for +3 diopters, f=0.333 meters.) -18.54 cm Submit Answer Incorrect. Tries 4/12 Previous Tries
teger Type Questions A transparent cylinder of radius R and height H made from a material...
teger Type Questions A transparent cylinder of radius R and height H made from a material of refractive index n 1.5 is placed on a horizontal table top with the base of the cylinder on contact with the table. A point light source is placed at a height h above the centre of the top circular face of the cylinder. The unilluminated area on the table top outside the cylinder is given by A then find the value of k
I did not completely understand the explanation or how to get to this answer, I would...
I did not completely understand the explanation or how to get to
this answer, I would really appreciate if it could be drawn out and
explained more thoroughly. Thanks!
air medium A beam of light shines into a transparent medium with parallel surfaces. Part of the beam is reflected back into the air as diagrammed above. (The figure is NOT to scale.) The index of refraction of the medium is 1.5. Which of the following is true? A. θ <...
A 1m thick glass window with a refractive index of n=1.50 in the North Pole is...
A 1m thick glass window with a refractive index of n=1.50 in the North Pole is covered by a 0.5m thick layer of transparent ice with a refractive index of n=1.31 on the outside. A security guard on the inside shines a flashlight at an angle of 30 degrees from the normal at the window. The n of air n=1.0003. Part #1: Make a drawing of the system. Include the path of the light inside the room from the flashlight...
2. A double-heterojunction InGaAsP LED emitting at a peak wavelength of 1310 nm has radiative recombination...
2. A double-heterojunction InGaAsP LED emitting at a peak wavelength of 1310 nm has radiative recombination times of 25 and 90 ns, respectively. The drive current is 35 mA (a) Find the internal quantum efficiency and the internal power level. (b) If the refractive index of the light source material is n =3.5, find the power emitted from the device
Project (2) Read the manual When unpolarized light is incident on the surface of (say) glass...
Project (2) Read the manual When unpolarized light is incident on the surface of (say) glass at the Brewster angle, the reflected light is polarized with its polarization parallel to the surface of the glass. The Brewster angle is given by Tan(O) = n where n is the refractive index of glass. The material need not be glass; it could be plastic, water etc. (any smooth transparent material is fine). Exercise: (1) The Brewster angle in the experiment is found...
corrective Lenses (@) Spectacles are often coated to reduce reflection. The plastic of the lens has...
corrective Lenses
(@) Spectacles are often coated to reduce reflection. The plastic of the lens has a very thin coating of some other material with different refractive index (as shown in the figure). 11 T2 Air ni Coating TLV n2 Lens n3 Figure - cross section showing three parallel layers of material (air, coating and the lens), with a light ray incident on the coating. The ray is partially reflected at the air/coating interface; the reflected ray Ti is shown....
A 1/4 sphere of radius R placed on the table, the sphere is made of glass with refractive index squareroot 3, a beam of light parallel to the table strikes on the sphere and leaves the sphere as the figures shown, if the incident light is squareroot 3R/2 from the table, find out the refractive angle theta.
plz? help sir
..........
A transparent glass hemisphere with radius R and mass m has an index of refraction n. In the medium outside the hemisphere, the index of refraction is equal to one. A parallel beam of monochromatic laser light is incident uniformly and normally onto the central portion of its planar surface, as shown in Figure 3. The acceleration of gravity g is vertically downwards. The radius 8 of the circular cross-section of the laser beam is much...
The figure illustrates qualitatively a corrective lens of -2.75 diopters. R 8.46 cm The lens material is CR-39 monomer, with an index of refraction of 1.499. Calculate R, the radius of curvature of the outer surface for the lens. Note: the diopter is a measure of the refractive power of a lens, and equals the reciprocal of the focal length in meters. (Example: for +3 diopters, f=0.333 meters.) -18.54 cm Submit Answer Incorrect. Tries 4/12 Previous Tries
teger Type Questions A transparent cylinder of radius R and height H made from a material of refractive index n 1.5 is placed on a horizontal table top with the base of the cylinder on contact with the table. A point light source is placed at a height h above the centre of the top circular face of the cylinder. The unilluminated area on the table top outside the cylinder is given by A then find the value of k
I did not completely understand the explanation or how to get to
this answer, I would really appreciate if it could be drawn out and
explained more thoroughly. Thanks!
air medium A beam of light shines into a transparent medium with parallel surfaces. Part of the beam is reflected back into the air as diagrammed above. (The figure is NOT to scale.) The index of refraction of the medium is 1.5. Which of the following is true? A. θ <...
Project (2) Read the manual When unpolarized light is incident on the surface of (say) glass at the Brewster angle, the reflected light is polarized with its polarization parallel to the surface of the glass. The Brewster angle is given by Tan(O) = n where n is the refractive index of glass. The material need not be glass; it could be plastic, water etc. (any smooth transparent material is fine). Exercise: (1) The Brewster angle in the experiment is found...
corrective Lenses
(@) Spectacles are often coated to reduce reflection. The plastic of the lens has a very thin coating of some other material with different refractive index (as shown in the figure). 11 T2 Air ni Coating TLV n2 Lens n3 Figure - cross section showing three parallel layers of material (air, coating and the lens), with a light ray incident on the coating. The ray is partially reflected at the air/coating interface; the reflected ray Ti is shown....
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