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Frank Modern Certificate Solution for Class 10 Physics Chapter Unit - 2 - Light - Refraction Through Lens

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Frank Textbook Solutions Chapter Unit - 2 - Light - Refraction Through Lens

Frank Textbook Solutions are considered extremely helpful for solving difficult questions in the ICSE Class 10 Physics exam. TopperLearning Textbook Solutions are compiled by our subject experts. Herein, you can find all the answers to the questions of   Chapter Unit - 2 - Light - Refraction Through Lens for the Frank textbook.

Frank Textbook Solutions for class 10 are in accordance with the latest ICSE syllabus, and they are amended from time to time to be most relevant. Our free Frank Textbook Solutions for ICSE Class 10 Physics will give you deeper insight on the chapters and will help you to score more marks in the final examination. ICSE Class 10 students can refer to our solutions while doing their homework and while preparing for the exam.

 

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Frank Modern Certificate Solution for Class 10 Physics Chapter Unit - 2 - Light - Refraction Through Lens Page/Excercise 115

Solution 1

A lens may be defined as a transparent refracting medium bounded by two curved surfaces which are generally spherical.

Solution 2

Solution 3

Solution 4

Focal length of a lens: Rays of light can pass through the lens in any direction and hence there will be two focal lengths on either side of the lens and they are referred to as the first focal length and the second focal length of a lens:
(i) First focal length: The distance from the optical centre of the lens to its first focal point is called the first focal length (f1) of the lens.
(ii) Second focal length: The distance from the optical centre of the lens to its second focal point is called the second focal length (f2) of the lens.

Solution 5

Focal length of a plane mirror is infinity.

Solution 6

The SI unit of focal length is 'metre'.

Solution 7

Principal axis of a lens is the line joining the centres of curvatures of the two surfaces of the lens.

Solution 8

Focal plane of a lens: Rays of light can pass through the lens in any direction and hence there will be two focal planes on either side of the lens and they are referred to as the first focal plane and the second focal plane of a lens:
(i) First focal plane: It is the plane passing through the first focal point and normal to the principal axis of the lens.
(ii) Second focal plane: It is the plane passing through the second focal point and normal to the principal axis of the lens.

Solution 9

Frank Modern Certificate Solution for Class 10 Physics Chapter Unit - 2 - Light - Refraction Through Lens Page/Excercise 116

Solution 10

Solution 11

(i) If the medium on both sides of the lens is same, the first and second focal lengths are equal.
(ii) A ray of light passing through the optical centre of the lens passes undeviated.

Solution 12

Solution 13

Solution 14

Solution 15

Solution 16

Solution 17

Frank Modern Certificate Solution for Class 10 Physics Chapter Unit - 2 - Light - Refraction Through Lens Page/Excercise 117

Solution 18

Solution 19

Frank Modern Certificate Physics - Part II Class 10 Chapter Solutions

TopperLearning provides step-by-step solutions for each question in each chapter in the Frank textbook recommended by ICSE schools. Access Chapter Unit - 2 - Light - Refraction Through Lens here. Our Frank Textbook Solutions for ICSE Class 10 Physics are designed by our subject matter experts. These solutions will help you to revise the whole chapter, so you can clear your fundamentals before the examination.

Text Book Solutions

ICSE X - Physics

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