Home
Class 10
PHYSICS
Peep hole in door, magnifying glass, cam...

Peep hole in door, magnifying glass, camera, telescope.

Text Solution

Verified by Experts

Peep hole in door. Door peep hole uses concave lens while other devices make use of convex lenses.
Promotional Banner

Similar Questions

Explore conceptually related problems

Door peep hole, magnifying glass, kaleidoscope, telescope.

On which of the following does the magnifying power of a telescope depends

Principal focus of a magnifying glass is

When a convex lens of 2.5 cm focal length is used as a magnifying glass, normal eye can see an object clearly at a distance of 25 cm. The magnifying power of the instrument is

Explain how concave lenses are used in the following devices. Camera, telescopes and microscopes

A man with normal near- point (25c m) reads a book with small print using a magnifying glass L a thin convex lens of focal length 5 cm. (i) What is the closest and the farthest distance at which he can read the book when viewing thorugh the magnifying glass ? (ii) What is the maximum and the minimum angular magnification (magnifying power) possible using the above simple microscope ?

The focal length of objective and eye-piece of astronomical telescope are 2 m and 5 cm respectively. The magnifying power of telescope when final image is formed at infinity is

Magnifying power of an astronomical telescope is M.P. If the focal length of the eye-piece is doubled, then its magnifying power will become

When we view object of height 15 m with a telescop of magnifying power 10. the object appears _____