One end of the strip of a plane mirror is fixed and the other end rests on the top of the small vertical rod. The length of the plane mirror strip is 25cm. A ray of light is incident on the mirror and reflected from the mirror and forms a spot on a screen 3m away from the mirror. Now, if the top of the rod is moved upwards 0.1 mm, then what will be movement of the spot? A 0.24 cm 3.4 cm 5 cm D 4.5 cm

One end of the strip of a plane mirror is fixed and the other end rests on the top of the small vertical rod. The length of the plane mirror strip is 25cm. A ray of light is incident on the mirror and reflected from the mirror and forms a spot on a screen 3m away from the mirror. Now, if the top of the rod is moved upwards 0.1 mm, then what will be movement of the spot? A 0.24 cm 3.4 cm 5 cm D 4.5 cm

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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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

One end of the strip of a plane mirror is fixed and the other end rests on the top of the small vertical
rod. The length of the plane mirror strip is 25cm. A ray of light is incident on the mirror and reflected
from the mirror and forms a spot on a screen 3m away from the mirror. Now, if the top of the rod is
moved upwards 0.1 mm, then what will be movement of the spot?
A
0.24 cm
B
3.4 cm
5 cm
4.5 cm

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