An object is placed 7.7 cm in front of a concave mirror of radius of curvature 10-cm. 1) Calculate the image distance. Follow the sign convention. (Express your answer to two significant figures). 2) Calculate the magnification of the image. (Express your answer to two significant figures). 3) Is the image real or virtual? 4) Is the image upright or inverted?

An object is placed 7.7 cm in front of a concave mirror of radius of curvature 10-cm. 1) Calculate the image distance. Follow the sign convention. (Express your answer to two significant figures). 2) Calculate the magnification of the image. (Express your answer to two significant figures). 3) Is the image real or virtual? 4) Is the image upright or inverted?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter17: Reflections And Mirrors

Section: Chapter Questions

Problem 86A

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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

An object is placed 7.7 cm in front of a concave mirror of radius of curvature 10-cm.

1) Calculate the image distance. Follow the sign convention. (Express your answer to two significant figures).

2) Calculate the magnification of the image. (Express your answer to two significant figures).

3) Is the image real or virtual?

4) Is the image upright or inverted?

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Step 1: Given data

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Step 2: Calculation for focal length of concave mirror.

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Step 3: Calculation for image distance using mirror formula.

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Step 4: Calculation for magnification.

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Step 5: Determining the type of image.

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