EASY
JEE Main
IMPORTANT
Earn 100

Can the image formed by a simple microscope be projected on a screen without using any additional lens or mirror?

Important Questions on Optical Instruments

EASY
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 19 - Optical Instruments>QUESTIONS FOR SHORT ANSWER>Q 3
The angular magnification of a system is less than one. Does it mean that the image formed is inverted?
EASY
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 19 - Optical Instruments>QUESTIONS FOR SHORT ANSWER>Q 4
A simple microscope using a single lens often shows coloured image of a white source. Why?
MEDIUM
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 19 - Optical Instruments>QUESTIONS FOR SHORT ANSWER>Q 5
A magnifying glass is a converging lens placed close to the eye. A farsighted person uses spectacles having converging lenses. Compare the functions of a converging lens used as a magnifying glass and as spectacles.
EASY
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 19 - Optical Instruments>QUESTIONS FOR SHORT ANSWER>Q 6

A person is viewing an extended object. If a converging lens is placed in front of his eyes, will he feel that the size has increased?

EASY
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 19 - Optical Instruments>QUESTIONS FOR SHORT ANSWER>Q 7
The magnifying power of a converging lens used as a simple microscope is 1+Df. A compound microscope is a combination of two such converging lenses. Why don't we have magnifying power 1+Df01+Df0?. In other words, why can the objective not be treated as a simple microscope but the eyepiece can?
EASY
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 19 - Optical Instruments>QUESTIONS FOR SHORT ANSWER>Q 8
By mistake, an eye surgeon puts a concave lens in place of the lens in the eye after a cataract operation. Will the patient be able to see clearly any object placed at any distance?
EASY
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 19 - Optical Instruments>QUESTIONS FOR SHORT ANSWER>Q 9
The magnifying power of a simple microscope is given by, (1+Df), where, D is the least distance for clear vision. For far-sighted persons, D is greater than the usual. Does it mean that the magnifying power of a simple microscope is greater for a far-sighted person as compared to a normal person? Does it mean that a far-sighted person can see an insect more clearly under a microscope than a normal person?
EASY
JEE Main
IMPORTANT
CONCEPTS OF PHYSICS [VOLUME 1]>Chapter 19 - Optical Instruments>QUESTIONS FOR SHORT ANSWER>Q 10
Why are the magnification properties of microscopes and telescopes defined in terms of the ratio of angles and not in terms of the ratio of sizes of objects and images?