Courses

Solutions of Refraction of Light (Page No- 253 & 255) - Physics By Lakhmir Singh, Class 10 Class 10 Notes | EduRev

Class 10 Physics Solutions By Lakhmir Singh & Manjit Kaur

Class 10 : Solutions of Refraction of Light (Page No- 253 & 255) - Physics By Lakhmir Singh, Class 10 Class 10 Notes | EduRev

The document Solutions of Refraction of Light (Page No- 253 & 255) - Physics By Lakhmir Singh, Class 10 Class 10 Notes | EduRev is a part of the Class 10 Course Class 10 Physics Solutions By Lakhmir Singh & Manjit Kaur.
All you need of Class 10 at this link: Class 10

Lakhmir Singh Physics Class 10 Solutions Page No:253

Question 23: When an object is placed 10 cm in front of lens A, the image is real, inverted, magnified and formed at a great distance. When the same object is placed 10 cm in front of lens B, the image formed is real, inverted and same size as the object.
 (a) What is the focal length of lens A ?
 (b) What is the focal length of lens B ?
 (c) What is the nature of lens A ?
 (d) What is the nature of lens B ?

Solution : (a) The object is placed at focus, so f=10 cm.
(b) the object is placed at a distance twice the focallength, so f=5 cm.
(c) Convex lens (since image is real).
(d) Convex lens (since image is real).

Question 24: When a fork is seen through lenses A and B one by one, it appears as shown in the diagrams. What is the nature of (i) lens A, and (ii) lens B ? G

Solutions of Refraction of Light (Page No- 253 & 255) - Physics By Lakhmir Singh, Class 10 Class 10 Notes | EduRevSolutions of Refraction of Light (Page No- 253 & 255) - Physics By Lakhmir Singh, Class 10 Class 10 Notes | EduRev

Solution : (i) Concave lens because of negative magnification.
(ii) Convex lens because of positive magnification.

Question 25: What kind of lens can form :
 (a) an inverted magnified image ?
 (b) an erect magnified image ?
 (c) an inverted diminished image ?
 (d) an erect diminished image ?

Solution : (a) Convex lens.
(b) Convex lens.
(c) Convex lens.
(d) Concave lens.


Lakhmir Singh Physics Class 10 Solutions Page No:255

Question 1: The lens A produces a magnification of, – 0.6 whereas lens B produces a magnification of + 0.6.
 (a) What is the nature of lens A ?
 (b) What is the nature of lens B ?

Solution : (a) Convex lens (since image is real, inverted and diminished).
(b) Concave lens (since image is virtual, erect and diminished).

Question 2: A 50 cm tall object is at a very large distance from a diverging lens. A virtual, erect and diminished image of the object is formed at a distance of 20 cm in front of the lens. How much is the focal length of the lens ?

Solution : When an object is placed at a very large distance from a diverging lens, then image is formed at the focus of the lens.
Therefore, the focal length of the lens is 20 cm.

Offer running on EduRev: Apply code STAYHOME200 to get INR 200 off on our premium plan EduRev Infinity!
Download EduRev app here for Class 10 preparation.

Up next >

< Previous

Content Details

  •    Views: 152
  •   Rating: 4.9 (15)
  •    Aug 17, 2018
  •    Class 10
Description
Solutions of Refraction of Light (Page No- 253 & 255) - Physics By Lakhmir Singh, Class 10 Class 10 Notes | EduRev notes for Class 10 is made by best teachers who have written some of the best books of Class 10. It has gotten 152 views and also has 4.9 rating. You can download Free Solutions of Refraction of Light (Page No- 253 & 255) - Physics By Lakhmir Singh, Class 10 Class 10 Notes | EduRev pdf from EduRev by using search above. You can also find Solutions of Refraction of Light (Page No- 253 & 255) - Physics By Lakhmir Singh, Class 10 Class 10 Notes | EduRev ppt and other Class 10 slides as well. If you want Solutions of Refraction of Light (Page No- 253 & 255) - Physics By Lakhmir Singh, Class 10 Class 10 Notes | EduRev Tests & Videos, you can search for the same too. Class 10 Solutions of Refraction of Light (Page No- 253 & 255) - Physics By Lakhmir Singh, Class 10 Class 10 Notes | EduRev Summary and Exercise are very important for perfect preparation. You can see some Solutions of Refraction of Light (Page No- 253 & 255) - Physics By Lakhmir Singh, Class 10 Class 10 Notes | EduRev sample questions with examples at the bottom of this page. Complete Solutions of Refraction of Light (Page No- 253 & 255) - Physics By Lakhmir Singh, Class 10 Class 10 Notes | EduRev chapter (including extra questions, long questions, short questions, mcq) can be found on EduRev, you can check out Class 10 lecture & lessons summary in the same course for Class 10 Syllabus. EduRev is like a wikipedia just for education and the Solutions of Refraction of Light (Page No- 253 & 255) - Physics By Lakhmir Singh, Class 10 Class 10 Notes | EduRev images and diagram are even better than Byjus! Do check out the sample questions of Solutions of Refraction of Light (Page No- 253 & 255) - Physics By Lakhmir Singh, Class 10 Class 10 Notes | EduRev for Class 10, the answers and examples explain the meaning of chapter in the best manner. This is your solution of Solutions of Refraction of Light (Page No- 253 & 255) - Physics By Lakhmir Singh, Class 10 Class 10 Notes | EduRev search giving you solved answers for the same. To Study Solutions of Refraction of Light (Page No- 253 & 255) - Physics By Lakhmir Singh, Class 10 Class 10 Notes | EduRev for Class 10 this is your one stop solution.

QUESTIONS & ANSWERS

Complete Syllabus of Class 10

Class 10

Dynamic Test

Test this topic

Content Category

Class 10

Related Searches

Class 10 Class 10 Notes | EduRev

,

Solutions of Refraction of Light (Page No- 253 & 255) - Physics By Lakhmir Singh

,

Class 10 Class 10 Notes | EduRev

,

shortcuts and tricks

,

Viva Questions

,

Sample Paper

,

Extra Questions

,

pdf

,

Objective type Questions

,

Class 10 Class 10 Notes | EduRev

,

past year papers

,

Semester Notes

,

Previous Year Questions with Solutions

,

Summary

,

MCQs

,

Free

,

study material

,

Solutions of Refraction of Light (Page No- 253 & 255) - Physics By Lakhmir Singh

,

practice quizzes

,

Solutions of Refraction of Light (Page No- 253 & 255) - Physics By Lakhmir Singh

,

ppt

,

mock tests for examination

,

Exam

,

video lectures

,

Important questions

;
Follow Us
© 2015-20 EduRev