General Physics, 2nd Edition
2nd Edition
ISBN: 9780471522782
Author: Morton M. Sternheim
Publisher: WILEY
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Chapter 23, Problem 65E
To determine
The diameter of the lens.
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You observe, at normal incidence, light of wavelength 483 nm reflected off the (air) interface between a plano-convex lens (curved side down) touching a flat piece of glass. You see a dark central spot surrounded by rings of darkness. The smallest ring has radius 187 μm. If the lens is made of glass with refractive index 1.532, what is the focal length of the lens in cm?
Diameter of the objective lens of a telescope is
250 cm. For light of wavelength 600 nm coming
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Parallel rays of green mercury light with a wavelength of 546 nm pass through a slit covering a convex lens with a focal length of 60 cm. In the focal plane of the lens, the distance from the central maximum to the first minimum is 10.2 mm. What must be the width of this slit?
Chapter 23 Solutions
General Physics, 2nd Edition
Ch. 23 - Prob. 1RQCh. 23 - Prob. 2RQCh. 23 - Prob. 3RQCh. 23 - Prob. 4RQCh. 23 - Prob. 5RQCh. 23 - Prob. 6RQCh. 23 - Prob. 7RQCh. 23 - Prob. 8RQCh. 23 - Prob. 9RQCh. 23 - Prob. 10RQ
Ch. 23 - Prob. 11RQCh. 23 - Prob. 12RQCh. 23 - Prob. 1ECh. 23 - Prob. 2ECh. 23 - Prob. 3ECh. 23 - Prob. 4ECh. 23 - Prob. 5ECh. 23 - Prob. 6ECh. 23 - Prob. 7ECh. 23 - Prob. 8ECh. 23 - Prob. 9ECh. 23 - Prob. 10ECh. 23 - Prob. 11ECh. 23 - Prob. 12ECh. 23 - Prob. 13ECh. 23 - Prob. 14ECh. 23 - Prob. 15ECh. 23 - Prob. 16ECh. 23 - Prob. 17ECh. 23 - Prob. 18ECh. 23 - Prob. 19ECh. 23 - Prob. 20ECh. 23 - Prob. 21ECh. 23 - Prob. 22ECh. 23 - Prob. 23ECh. 23 - Prob. 24ECh. 23 - Prob. 25ECh. 23 - Prob. 26ECh. 23 - Prob. 27ECh. 23 - Prob. 28ECh. 23 - Prob. 29ECh. 23 - Prob. 30ECh. 23 - Prob. 31ECh. 23 - Prob. 32ECh. 23 - Prob. 33ECh. 23 - Prob. 34ECh. 23 - Prob. 35ECh. 23 - Prob. 36ECh. 23 - Prob. 37ECh. 23 - Prob. 38ECh. 23 - Prob. 39ECh. 23 - Prob. 40ECh. 23 - Prob. 41ECh. 23 - Prob. 42ECh. 23 - Prob. 43ECh. 23 - Prob. 44ECh. 23 - Prob. 45ECh. 23 - Prob. 46ECh. 23 - Prob. 47ECh. 23 - Prob. 48ECh. 23 - Prob. 49ECh. 23 - Prob. 50ECh. 23 - Prob. 51ECh. 23 - Prob. 52ECh. 23 - Prob. 53ECh. 23 - Prob. 54ECh. 23 - Prob. 55ECh. 23 - Prob. 56ECh. 23 - Prob. 57ECh. 23 - Prob. 58ECh. 23 - Prob. 59ECh. 23 - Prob. 60ECh. 23 - Prob. 61ECh. 23 - Prob. 62ECh. 23 - Prob. 63ECh. 23 - Prob. 64ECh. 23 - Prob. 65ECh. 23 - Prob. 66ECh. 23 - Prob. 67ECh. 23 - Prob. 68ECh. 23 - Prob. 69ECh. 23 - Prob. 70ECh. 23 - Prob. 71ECh. 23 - Prob. 72ECh. 23 - Prob. 73ECh. 23 - Prob. 74ECh. 23 - Prob. 75ECh. 23 - Prob. 76ECh. 23 - Prob. 77ECh. 23 - Prob. 78ECh. 23 - Prob. 79ECh. 23 - Prob. 80E
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- A plano-convex lens has index of refraction n. The curved side of the lens has radius of curvature R and rests on a flat glass surface of the same index of refraction, with a film of index nflim between them, as shown in Figure P36.42. The lens is illuminated from above by light of wavelength . Show that the dark Newtons rings have radii given approximately by r=mRnfilm where r R and m is an integer. Figure P36.42arrow_forwardA beam of 580-nm light passes through two closely spaced glass plates at close to normal incidence as shown in Figure P27.23. For what minimum nonzero value of the plate separation d is the transmitted light bright?arrow_forwardA slit of width d is placed in front of a lens of focal length 0.5 m and is illuminated normally with light of wavelength 5.89 × 107 m. The first diffraction minima on either side of the central diffraction maximum are separated by 2 × 10-³ m. The width d of the slit is m.arrow_forward
- Asaparrow_forwardA spy satellite uses a telescope with a 2.0-m-diameter mirror. It orbits the earth at a height of 220 km. What minimum spacing must there be between two objects on the earth’s surface if they are to be resolved as distinct objects by this telescope? Assume the telescope’s resolution is limited only by diffraction and that it records 500 nm light.arrow_forwardA plano-convex lens rests with its curved side on a flat glass surface and is illuminated from above by light of wavelength 464 nm. A dark spot is observed at the center, surrounded by 19 concentric dark rings (with bright rings in between). How much thicker is the air wedge at the position of the 19th dark ring than at the center? 2.41 um 2.97 um 3.77 um 4.41 umarrow_forward
- A lens coated with a thin layer of material having a refractive index 1.45 reflects the least amount of light at wavelength 590nm. Assume the refractive index of the lens material to be 1.70. Determine the minimum thickness of the coating.arrow_forwardA plastic lens is coated on the outside with a thin film of graphene to prevent the transmission of UV light with wavelength, λ = 250 nm from the lens surface. The index of refraction of graphene is 1.30; that of the plastic is 1.58. What is the minimum graphene coating thickness that blocks the transmission of the UV-light with wavelength, λ = 250 nm)?arrow_forwardA plano-convex lens with radius of curvature R = 3.2 m is in contact with a flat plate of glass. A light source and the observer's eye are both close to the normal, as shown in the figure below. The radius of the 51st bright Newton's ring is found to be 9.4 mm. What is the wavelength of the light produced by the source? nm 2//1 Need Help? Read It 8:36 PM 4/11/2021arrow_forward
- The Michelson interferometer can be used to measure the index of refraction of a gas by placing an evacuated transparent tube in the light path along one arm of the device. Fringe shifts occur as the gas is slowly added to the tube. Assume 600-nm light is used, the tube is 5.00 cm long, and 160 fringe shifts occur as the pressure of the gas in the tube increases to atmospheric pressure. What is the index of refraction of the gas?arrow_forwardThe Michelson interferometer can be used to measure the index of refraction of a gas by placing an evacuated transparent tube in the light path along one arm of the device. Fringe shifts occur as the gas is slowly added to the tube. Assume 580-nm light is used, the tube is 5.40 cm long, and 152 fringe shifts occur as the pressure of the gas in the tube increases to atmospheric pressure. What is the index of refraction of the gas? Hint: The fringe shifts occur because the wavelength of the light changes inside the gas-filled tube. (Give your answer to five decimal places.) 4.0arrow_forwarda) What is the minimum thickness of a film of glass (n=1.6) with air on both sides, that will reflect light at X = 600nm ? b) What is the minimum thickness of a film of glass (n=1.6), with air on both sides, that will NOT reflect light at λ = 660nm ?arrow_forward
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