Antireflection Coating A glass lens (nglass = 1.52) hasan antireflection coating of MgF2 (n = 1.38).2For 546-nm light, what minimum thickness of MgF₂ will cause the reflected rays R2 and R in (Figure 1) tointerfere destructively, assuming normal incidence?Express your answer to three significant figures.t =ΕΠΙ ΑΣΦSubmit Previous Answers Request Answer?× Incorrect; Try Again; 2 attempts remainingPart BnmInterference will also occur between the forward-moving rays R₁ and R3 in the figure. What minimum thicknessof MgF2 will cause these two rays to interfere constructively?Express your answer to three significant figures.t =ΕΠΙ ΑΣΦSubmitRequest AnswerFigure1 of 1?nm

Part A: thickness should be 96.4 nm Part B: thickness should be 96.4 nmExplanation:Step 1:Step 2:

Answered: Antireflection Coating A glass lens…

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter4: Diffraction

Section: Chapter Questions

Problem 59P: The limit to the eye’s acuity is actually related to diffraction by the pupil. (a) What is the angle...

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Similar questions

Explain how microscopes can use wave optics to improve contrast and why this is important.
Calculate the wavelength of light that has its third minimum at an angle of 30.0° when falling on double slits separated by 3.00 m. Explicitly show how you follow the steps from the Problem-Solving Strategy: Wave Optics, located at the end of the chapter.
(a) What do the four angles in the above problem become if a 5000-line-per-centimeter diffraction grating is used? (b) Using this grating, what would the angles be for the second-order maxima? (c) Discuss the relationship between integral reductions in lines per centimeter and the new angles of various order maxima.
The limit to the eye’s acuity is actually related to diffraction by the pupil. (a) What is the angle between two just-resolvable points of light for a 3.00-mm-diameter pupil, assuming an average wavelength of 550 nm? (b) Take your result to be the practical limit for the eye. What is the greatest possible distance a car can be from you if you can resolve its two headlights, given they are 1.30 m apart? (c) What is the distance between two just-resolvable points held at an arm’s length (0.800 m) from your eye? (d) How does your answer to (c) compare to details you normally observe in everyday circumstances?
A He—Ne laser beam is reflected from the surface of a CD onto a wall. The brightest spot is the reflected beam at an angle equal to the angle of incidence. However, fringes are also observed. If the wall is 1.50 m from the CD, and the first fringe is 0.600 m from the central maximum, what is the spacing of grooves on the CD?
What are the three smallest non-zero thicknesses of soapy water (n=1.33) on Plexiglas if it appears green (constructively reflecting 520-nm light) when illuminated perpendicularly by white light?
Young’s double-slit experiment breaks a single light beam into two sources. Would the same pattern be obtained for two independent sources of light, such as the headlights of a distant car? Explain.
(a) Find the angle of the third diffraction minimum for 633-nm light falling on a slit of width 20.0 m. (b) What slit width would place this minimum at 85.0°? Explicitly show how you follow the steps in Problem-Solving Strategies for Wave Optics
Calculate the wavelength of light that has its third minimum at an angle of 30.0° when falling on double slits separated by 3.00 m. Explicitly, show how you follow the steps in Problem-Solving Strategies for Wave Optics.
Two identical pieces of rectangular plate glass are used to measure the thickness of a hair. The glass plates are in direct contact at one edge and a single hair is placed between them hear the opposite edge. When illuminated with a sodium lamp (=589nm) , the hair is seen between the 180th and 181st dark fringes. What are the lower and upper limits on the hair’s diameter?
Suppose you have a lens system that is to be used primarily for 719-nm red light. What is the second thinnest coating of fluorite (magnesium fluoride, n=1.413) that would be nonreflective for this wavelength (in nm)? Round your answer to 0 decimal places.
Suppose you have a lens system that is to be used primarily for 680 nm red light. Calculate the second thinnest coating of fluorite (magnesium fluoride) that would be non-reflective for this wavelength. The index of refraction for the coating is 1.38.

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