Plane mirror. Norrnal. Nome. Take Home - Reflection ondrefroction

Transcription

1 Take Home - Reflection ondrefroction Nome ') A ray of monochromatic light traveling in air is.incident on a plane minor at an angle of 30'o, as shown in the diagram below. Plane mirror The angle of reflection for the light ray is l) 150 3) 60." 2) 30.' 4) 90.o, On the dicgrom sketch the reflected noy ond drow where the ongle of ref lection is- (Use ruler and protrocfor to construct) 7rr,rJ;lrJ Plane mirror Norrnal

2 ) l A light ray is incident on a plane mirror as shown in the diaeram below. Plane minor Which ray best rept'esents the reflected ray'l 2 \ B r-) The diagram below shows parallel rays of light incident on an irregular surface' Which phenomenon of light is illustrated by the diagram? l) diffraction 3) regular reflection 2) refraction 4) diffuse reflection

3 4. Which diagram best represents the path taken by a ray of monochromatic light as it passes from air through the materials shown'? l) )) 2) 4) 5. The diagram below represents a ray of monochromatic light (,f = 5.09 " l0r4 Hz) passing from mediumx(n = l'46) into fused quartz. Normal 6. A beam of monochromatic light (f= 5.09 x l014 hertz) passes through parallel sections of glycerol, mediumx and medium Ias shown in the diagram below. Which path will the refractedray follow in the quartz? 2 ) B What could mediumxand medium Ibe? 1) Xcould be flint glass and f could be corn oil. 2) Xcould be com oil and Icould be flint glass. 3).f,could be water and I could be glycerol. 4) Xcould be glycerol and Icould be water.

4 7. The diagram below shows a light ray in air incident on a crown glass block- 10.The diagram below shows a ray of light being refracted as it passes fiom air into glass. Which letter represents the angle ofrefraction for the light ray? As the light ray enters the crown glass block, it will l) slow down and bend toward the normal 2) slow down and bend away from the normal 3) speed up and bend toward the normal 4) speed up and bend away from the normal A pencil appears to be bent at a point where it enters the 8. water in a beaker. This phenomenon is called l) refraction 3) dispersion 2) reflection 4) rarefaction 9. In the diagram below a light ray passes obliquely from air into a glass block. Which path represents the refracted ray of Iight? 2)B I l. Base your answer to the following question on the diagram below which represents a ray of yellow light if = S.S x l0-7 meter in air) passing from air into Lucite' Angle 0, is 45o. RAY AIR LUCITE N I I I '! incident rcy 2 ) B Lucite is replaced by medium X, which makes Q, smaller ior the same er in air. Compared to the s.peed of the yellow light in Lucite;the speed oithe yellow light in nredium X is l) less 3) the same 2) greater

5 l?. The ray R of monochromatic yellow light shown in the diagram is incident upon a glass surface at an angle ofq. Which resulting ray is not possible? I). Base your answer to the following question on the information and diagram below. A ray of monochromatic light of frequency 5.09 x l0ra hertz is traveling from water into medium X. The angle of incidence in water is 45o and the angle of refraction in medium X is 29o, as shown. Normal 2 ) B lj. The diagtam at the right represents the path of periodic waves passing from medium I into medium.b. As the waves enter medium,b, their speed A B I A lt. I ) decreases 2) increases 3) remains the same Calculate the absolute index of refraction of medium X' IShow all work including the equation and substitution with units.l In this diagram, if i = r medium,ycould be I ) water 3) glycerol 2) diamond 4) alcohol

6 lo- Base yout answer to the following question on the diagr.am below, which represents a light ray traveling from air to Lucite to medium Iand back into air. 19.Base your answer to the following question on the diagram below which represents a ray of light moving from air through substance.b, through substance C, and back into air. The surfaces ofsubstances B and C are parallel. C n= 1.5 Light travels slotvest in I ) air, only 2) Lucite, only 3) medium )', only 4) air, Lucite, and medium I 17. In a certain material, a beam of monochromatic light (/= 5.09 ' l0r4 hertz) has a speed of 2.25 x 108 meters per second. The material could be I ) crown glass 2) flint glass 18. A beam of monochromatic light travels through flint glass, crown glass, Lucite, and water. The speed of the light beam is slowest in I ) flint glass. 2) crown glass 3) glycerol 4) water 3) Lucite 4) water Compared to the wavelength of the light in air, the wavelength of the light in substance C is 1) shorter 3) the same 2) longer 20. Whatisthespeedof arayof light (f=5.09* l0rahertz) traveling through a block of sodium chloride? 2I l) 1.54 x 108 m/s 2) 1.95 x 103 m/s 3) 3.00 x 108 m/s 4) 4.62 x 108 m/s The speed of light in a material is 2.50 x 108 mete rs per second. What is the absolute index of refraction of the material'? l) t.20 3) 7.s0 2) ) The speed of light (/ = 5.09 ' l014 Hz) in a transparent material is 0.75 times its speed in air. The absolute index of refraction of the material is approximately l) 0.7s 3) 2.3 2) 1.3 4) 4.0 at z). A monochromatic ray of light (f = 5.09 x l014 hertz) traveling in air is incident upon medium A at an angle of 45o. If the angle of refraction is 29o, medium A could be I) water 2) fused quartz 3) Lucite 4) flint glass

7 1,1 The diagram below shows a ray of light passing from medium Xinto air. 3O..kNoRMAL MEDIUM X l). A ray of light (1" = 5,9 x l0-7 meter) traveling in air is incident on an interface with medium X at an angle of 30o The angle of refraction for the light ray in medium X is 12.". Medium X could be I ) alcohol 2) corn oil 3) diamond 4) flint glass 26. A beam of monochromatic light (1" = S.S x l0-7 meter) crosses a boundary from air into Lucite at an angle of incidence of 45". The angle of refraction is approximately l) 63o z) 56o 1\ 1' lo 4) 28" What is the absolute index of refraction of medium X? I ) ).73 2) ) 0.s77

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