English

An object 10 cm high is placed at a distance of 20 cm in front of a spherical mirror of focal length 25 find the nature, position, and magnification of the image in the following case:Convex mirror - Physics

Advertisements
Advertisements

Question

An object is placed in front of a concave mirror as shown in the following figure. By scale drawing, find the nature of the image. Given f = 10 cm, v = 30 cm.

Diagram

Solution

Focal length o f concave mirror= 10 cm. Object distance = 30 cm.

The image is real, inverted, and diminished.

shaalaa.com
  Is there an error in this question or solution?
Chapter 6: Light - Exercise [Page 264]

APPEARS IN

Frank Physics [English] Class 9 ICSE
Chapter 6 Light
Exercise | Q 47 | Page 264

RELATED QUESTIONS

Find out the letters of English alphabet or any other language known to you in which the image formed in a plane mirror appears exactly like the letter itself. Discuss your findings.


A 2.0 cm tall object is placed 40 cm from a diverging lens of focal length 15 cm. Find the position and size of the image.


Write true or false 

A virtual image formed by a spherical mirror is always erect and situated behind the mirror.


A ray of light travels from a denser medium to a rarer medium. How will it bend?


State the direction of incident ray which after reflection from a spherical mirror gets reflected along its own path. Give a reason.


State the types of mirrors used for (i) headlights and (ii) rear view mirror, in cars and motorcycles. Give to justify your answer in each case.


State the number of images of an object placed between two mirrors, formed in each case when mirrors are inclined to each other at (a) 90°, and (b) 60°.


Name the mirror which always produces an erect and virtual image. How is the size of image related to the size of object? 


Why does a driver use a convex mirror instead of a plane mirror as a rear view mirror?
Illustrate your answer with the help of a ray diagram.


A converging lens of focal length f is placed at a distance 0.3 m from an object to produce an image on a screen 0.9 m from the lens. With the object and the screen in the same positions, an image of the object could also be produced on the screen by placing a converging lens of focal length.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×