From the picture given below for the convex lens answer the following: DA 12cm 1) The focal length of the convex lens in meter is 2) The image of the object formed 3) The power of the lens is : measured in 4) The nature of the image formed by this lens for the given object position is

From the picture given below for the convex lens answer the following: DA 12cm 1) The focal length of the convex lens in meter is 2) The image of the object formed 3) The power of the lens is : measured in 4) The nature of the image formed by this lens for the given object position is

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter2: Geometric Optics And Image Formation

Section: Chapter Questions

Problem 143AP: Let objective and eyepiece of a compound microscope have focal lengths of 2.5 cm and 10 cm,...

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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

From the picture given below for the convex lens answer the following:
DA 12cm
1) The focal length of the convex lens in meter is
2) The image of the object formed
3) The power of the lens is
: measured in
4) The nature of the image formed by this lens for the given object position is

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Two convex lenses of focal lengths 20 cm and 10 cm are placed 30 cm apart, with the lens with the longer focal length on the right. An object of height 2.0 cm is placed midway between them and observed through each lens from the left and from the right. Describe what you will see, such as where the image(s) will appear, whether they will be upright or inverted and their magnifications.
Let objective and eyepiece of a compound microscope have focal lengths of 2.5 cm and 10 cm, respectively and be separated by 12 cm. A 70- mobject is placed 6.0 cm from the objective. How large is the virtual image formed by the objective-eyepiece system?
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For ray reflections from a surface, which statement is true? (7.1) (a) The angle of reflection is equal to the angle of incidence. (b) The reflection angle is measured from a line perpendicular to the reflecting surface. (c) The rays lie in the same plane. (d) All the preceding are true.