The virtual image produced by a convex mirror is one fifth the size of the object. If the object is 30.9 cm in front of the mirror, what is the image distance? 10.3 cm Submit Answer Incorrect. Tries 1/5 Previous Tries What is the focal length of this mirror? Submit Answer Tries 0/5

The virtual image produced by a convex mirror is one fifth the size of the object. If the object is 30.9 cm in front of the mirror, what is the image distance? 10.3 cm Submit Answer Incorrect. Tries 1/5 Previous Tries What is the focal length of this mirror? Submit Answer Tries 0/5

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter37: Reflection And Images Formed By Reflection

Section: Chapter Questions

Problem 46PQ

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Concept explainers

Applications Of Reflection Of Light

When a light ray (termed as the incident ray) hits a surface and bounces back (forms a reflected ray), the process of reflection of light has taken place.

Sign Convention for Mirrors

A mirror is made of glass that is coated with a metal amalgam on one side due to which the light ray incident on the surface undergoes reflection and not refraction.

Question

The virtual image produced by a convex mirror is one fifth the size of the object. If the object is 30.9 cm in front of the mirror, what is the image distance?
10.3 cm
Submit Answer Incorrect. Tries 1/5 Previous Tries
What is the focal length of this mirror?
Submit Answer Tries 0/5

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An object is placed 25.0 cm from the surface of a convex mirror and an image is formed. The same object is placed 20.0 cm in front of a plane mirror and. again, an image is formed. Suppose in each ease the object is located at x = 0 and the mirrors lie along the positive x axis. If the images formed in the two mirrors lie at the same x coordinate, determine the radius of curvature of the convex mirror.
If Joshs face is 30.0 cm in front of a concave shaving mirror creating an upright image 1.50 times as large as the object, what is the mirrors focal length? (a) 12.0 cm (b) 20.0 cm (c) 70.0 cm (d) 90.0 cm (e) none of those answers
The image formed by a convex spherical mirror with a focal length of magnitude 12.0 cm is located one-fourth of the object-mirror distance from the mirror. a. What is the distance of the object from the mirror? b. Is the image formed by the mirror upright or inverted? c. What is the magnification of this image?
The radius of curvature of the left-hand face of a flint glass biconvex lens (n = 1.60) has a magnitude of 8.00 cm, and the radius of curvature of the right-hand face has a magnitude of 11.0 cm. The incident surface of a biconvex lens is convex regardless of which side is the incident side. What is the focal length of the lens if light is incident on the lens from the left?
What is the magnification of a magnifying lens with a focal length of 10 cm if it is held 3.0 cm from the eye and the object is 12 cm from the eye?
A 1.80-cm-high object is placed 17.6 cm in front of a concave mirror with a 3.00 cm focal length. What is the position of the image? If the image is formed in front of the mirror, enter a positive answer and if the image is formed behind the mirror, enter a negative answer. cm
If an object is placed 22.0cm in front of a concave spherical mirror and the lateral magnification of the image is 1.60. What's the focal length of the mirror? Answer in cm
When an object is 20 cm in front of a spherical mirror, the image is 12 cm behind the mirror. What is the focal length of the mirror, in cm? Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.
An object is placed in front of a concave mirror with a 22.2 cm radius of curvature. A real image twice the size of the object is formed. At what distance is the object from the mirror? Enter a positive answer, if the image is in front of the mirror and enter a negative answer, if the image is behind the mirror. cm
An object 12.6 cm in front of a convex mirror forms an image 6.00 cm behind the mirror (this is a NEGATIVE value!). What is the focal length of the mirror?
A convex mirror has a Radius of Curvature of 5.80 cm and is the second optical device (spherical mirror or thin lens) in an optical system. The image from the first optical device becomes an object for the second device. For the given convex mirror, a virtual image is located 39.7 cm away on the optical axis. Answer the following questions. All answer tolerance ±5 on the third significant digit. a) Calculate the mirror's focal length. Number b) Calculate the object distance. Number c) Is the object real or virtual? Real Virtual Units O Upright Units d) Calculate the maginification of the mirror. Number e) Relative to the image, is the object inverted or upright? Inverted
You have a concave spherical mirror (the same holds if you had a convex mirror) If the value of q(the distance from the image to the mirror along the principal axis of the mirror) is 1.45m and the distance of p (the distance from the object to the mirror along the principal axis of the mirror) is 4.11m, what is the focal length of the mirror? The magnification equation and the sign convention for q imply that real images of real objects are always inverted (if both p and q are positive, m is negative); virtual images of real objects are always upright (if p is positive and q is negative, m is positive). Keeping the signs of p and q straight in your mind is the most challenging aspect of mirrors (and lenses). Fortunately, table 23.2 summarizes when p and q are positive and when they are negative.