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Simple Microscope Angular Magnification

In good-quali...

Question

In good-quality microscopes, lens combinations are used for the objective and eyepiece instead of single lenses.

A

True

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B

False

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Solution

The correct option is A True
It has a series of two lenses; (i) the objective lens close to the object to be observed and (ii) the ocular lens or eyepiece, through which the image is viewed by eye. Light from a light source (mirror or electric lamp) passes through a thin transparent object.

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Similar questions

Q. Which of the following statements are true in the context of a compound Microscope?
(A) Each lens produces a virtual and inverted image
(B) The objective has a very short focal length
(C) The eyepiece is used as a simple magnifying glass
(D) The objective and eyepiece are convex and concave lenses respectively

Q. A compound microscope has the widest field when eyepiece and objective lenses are .............. respectively.

Q. If eyepiece lens of a compound microscope is moved a little away from objective lens without changing positions of object and objective lens, then

Q. the focal length of objective lens and eyepiece for a compound microscope are

0.95

5

cm and they are placed at

20

Q. The magnifying power of a converging lens used as a simple microscope is

(1 + \frac{D}{f}) .

A compound microscope is a combination of two such converging lenses. Why don't we have magnifying power

(1 + \frac{D}{f_{o}}) (1 + \frac{D}{f_{e}}) ?

In other words, why can the objective not be treated as a simple microscope but the eyepiece can?

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