IIT JAM Exam  >  IIT JAM Notes  >  Additional Documents & Tests for IIT JAM  >  General considerations - The optical image

General considerations - The optical image | Additional Documents & Tests for IIT JAM PDF Download

An optical image may be regarded as the apparent reproduction of an object by a lens or mirror system, employing light as a carrier. An entire image is generally produced simultaneously, as by the lens in a camera, but images may also be generated sequentially by point-by-point scanning, as in a television system or in the radio transmission of pictures across long distances in space. Nevertheless, the final detector of all images is invariably the human eye, and, whatever means is used to transmit and control the light, the final image must either be produced simultaneously or scanned so rapidly that the observer’s persistence of vision will give him the mental impression of a complete image covering a finite field of view. For this to be effective the image must be repeated (as in motion pictures) or scanned (as in television) at least 40 times a second to eliminate flicker or any appearance of intermittency.

The document General considerations - The optical image | Additional Documents & Tests for IIT JAM is a part of the IIT JAM Course Additional Documents & Tests for IIT JAM.
All you need of IIT JAM at this link: IIT JAM
95 docs
Explore Courses for IIT JAM exam
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev
Related Searches

mock tests for examination

,

General considerations - The optical image | Additional Documents & Tests for IIT JAM

,

ppt

,

General considerations - The optical image | Additional Documents & Tests for IIT JAM

,

Viva Questions

,

Exam

,

Summary

,

Semester Notes

,

Extra Questions

,

practice quizzes

,

Important questions

,

Free

,

Objective type Questions

,

shortcuts and tricks

,

video lectures

,

MCQs

,

study material

,

pdf

,

past year papers

,

Previous Year Questions with Solutions

,

General considerations - The optical image | Additional Documents & Tests for IIT JAM

,

Sample Paper

;