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Shakti from ST. XAVIER'S HIGH SCHOOL , asked a question
Subject: Physics , asked on 11/7/15

give the derivation of lens maker formula

EXPERT ANSWER

Ankur Deep ,Meritnation Expert added an answer
Answered on 11/7/15

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vidy_910 , From Kendriya Vidyalaya, Crpf Yelahanka , added an answer
Answered on 24/9/10

do you want the whole derivation or just the expression?

rohit_vm , From Settlement Higher Secondary School, Aluva , added an answer
Answered on 7/10/10

 hey give the whole derivation?

Aastha Khokhar , From Little Flower's Public Sr Sec School , added an answer
Answered on 16/10/10

 hey, d whole derivtion is in lesson 4.......see carefully.......

Mausam Anand , From Radha Govind Public School , added an answer
Answered on 11/11/10

thanks aastha2262

Aastha Khokhar , From Little Flower's Public Sr Sec School , added an answer
Answered on 29/12/10

its ok

Saurabh , From Bhartiya Vidya Peeth , added an answer
Answered on 3/11/14
This is done basically taking angles and by using similar triangles..please refer ncert.