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01:202:204 Final: Physics 2 Exam 2

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salmongiraffe78
28 Nov 2017
School
Rutgers University
Department
Criminal Justice
Course
01:202:204
Professor
Donnelly

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Document Summary

Ray of light single beam of light; travels in straight line until it strikes an obstacle. If ray strikes mirror reflection occurs. The incident ray, reflected ray and normal are all. Angle of incidence = angle of reflection . This is true for circular mirror as well in the same plane. Characteristics of image formed by an object placed in front of a plane mirror: Is upright, virtual, has same size as object. Do (distance from object to mirror) = di (distance from image to mirror) Virtual image formed behind the mirror. Focal point point where rays parallel and very close to principal axis all pass through after reflecting from mirror. When parallel rays are incident on a concave mirror reflect and focus at the focal point. Image outside focal = real and inverted magnification depends on position of object. If it"s placed on point c same size. If it"s outside of point c (center of curvature) smaller in size.

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Related Questions

Spherical mirrors. Object O stands on the central axis of aspherical mirror. The table gives object distance p, the type ofmirror, and focal distance f. Find the image distance i and thelateral magnification m of the object, including signs.

(cm) Mirror f (cm) i (cm) m
+7.8 convex *11


Describe the image. (Select all that apply.)
real, virtual, upright, inverted, on the same side of the mirror asO, or on the opposite side of the mirror

An object that is 1.0 cm tall is placed on the principal axis of a concave mirror whose focal length is 15.0 cm. The base of the object is 25.0 cm from the vertex of the mirror. Make a ray diagram with two or three rays the locate the image. Using the mirror equation and the magnification equation, and the proper sign convention, calculate the image distance and the magnification. Is the image real or virtual? Is the image inverted or upright comapred to the object? Is the image taller or shorter than the object?

1) On the plane mirror system shown here, if thefinalangle
of reflection for this ray is 14.0ร‚ยฐ, find the initial angleofincidence.
2)

A ray oflight is sent between parallel planemirrors, as shown.The raybarely misses the lower mirror as itenters theรขย€ยœcorridor.รขย€ย The mirrors' edges are aligned withoneanother, as shown. The mirrors are 3.00 cm apart, and each is18.0cm long. Find the smallest initial angle of incidence so thattherayรขย€ยฆ
(i)hits only the topmirror.
(ii)hits each mirror exactly once.

3) Why don't diamonds sparkle as much when viewedunderwater?Explain thoroughly,using words, equations and diagramsasnecessary.
4) A spherical mirror producesan image that is located 43.0 cmbehind the mirror when the objectis located 12.5 cm in front ofthemirror.
(i)What is the focal length ofthemirror? (ii)Isthis mirror concave orconvex?
5)A concave mirror (f= 54.0 cm) produces a real imagewhose distance from themirror is one-third of theobjectdistance. (i)Findtheobjectdistance. (ii)Findthe imagedistance.