Q. 94.1( 9 Votes )

Define the magnif

Answer :

Angular magnification or magnifying power of compound

Microscope is defined as ratio of angle made at eye by image formed

at infinity to the angle made by object, if placed at a distinct of distant

vision from an unaided eye.

When the final image is formed at infinity, the angular magnification due to the eye piece is given by:

Magnification due to eyepiece, Me=D/fe

Where D is the near point of eh human eye,

Fe is the focal length of the eyepiece lens,

The angular magnification for the objective lens is given by

Magnification due to objective lens, Mo=L/fo

Where L is the length of the tube,

Fo is the focal length of the objective lens,

Thus, the total magnification, when the image is formed at infinity, is


Where, L = length of the microscope

D = diameter of the lens

f0 = focal length of the object

fe = focal length of the eyepiece

The objective and eyepiece lens should be of small focal length

As .

Thus lower the focal length higher will be its magnifying power.

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses

Define the magnifPhysics - Board Papers

There are two souPhysics - Exemplar

Draw a labelled rPhysics - Board Papers

Define power of aPhysics - Exemplar

A magnifying glasPhysics - Exemplar

An astronomical rPhysics - Exemplar

A myopic adult haPhysics - Exemplar