122. A 4.00-cm tall object is placed a distance of 48cm from a concave mirror having a focal length of16cm. Determine the image distance and the imagesize.123. If you look at yourself in a shiny Christmas treeball with a diameter of 9.0 cm when your face is 30.0cm away from it, where is your image? Is it real orvirtual? Is it upright or inverted?124. A dentist wants a small mirror that, when 2.20 cmfrom a tooth, will produce an upright image withmagnification of 4.5. What kind of mirror must beused and what must its radius of curvature be?125. You produce an image of the Sun on a screen,using a thin lens whose focal length is 15.0 cm. Whatis the diameter of the image?

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Answered: 122. A 4.00-cm tall object is placed a…

122. A 4.00-cm tall object is placed a distance of 48 cm from a concave mirror having a focal length of 16cm. Determine the image distance and the image size.

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter36: Image Formation

Section: Chapter Questions

Problem 36.13OQ

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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

122. A 4.00-cm tall object is placed a distance of 48
cm from a concave mirror having a focal length of
16cm. Determine the image distance and the image
size.
123. If you look at yourself in a shiny Christmas tree
ball with a diameter of 9.0 cm when your face is 30.0
cm away from it, where is your image? Is it real or
virtual? Is it upright or inverted?
124. A dentist wants a small mirror that, when 2.20 cm
from a tooth, will produce an upright image with
magnification of 4.5. What kind of mirror must be
used and what must its radius of curvature be?
125. You produce an image of the Sun on a screen,
using a thin lens whose focal length is 15.0 cm. What
is the diameter of the image?

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