Exercise
Embibe Experts Physics Solutions for Exercise
Simple step-by-step solutions to Exercise questions of Optical Instruments from Physics Crash Course (Based on Revised Syllabus-2023). Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from Exercise with Hints & Solutions
When the lights of a brightly lit room are suddenly put out, the people of the room are blinded for a moment. Why?
What is the advantage of binocular vision? What does persistence of vision mean?
Which eyepiece called negative eyepiece?
What are short-sight and long-sight? What are the reasons for these defects? How can they be remedied?
The focal length of simple microscope is . Magnifying power of microscope when image is formed at near point .
How does a microscope eyepiece work?
A compound microscope consists of two convex lenses having a focal length of and . When an object is kept at a distance of from the objective, the final image is virtual and lies at a distance of from the eyepiece. Calculate magnifying power of the compound microscope in this setup.
Draw a labelled ray diagram of an image formed by a refracting telescope with final image formed at infinity Derive an expression for its magnifying power with the final image at infinity.