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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
- IIT JAM
- Physics (PH)
Optics a short linear object of length....
Solve this one Also tell me what's wrong with my solution of second pic Correct answer is C
3 Answer(s)
Answer Now
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Ruby negi
I also put explaination for your solution that you attached , you took that object like this(in my attached page) that why you got wrong ans. ,in the ques they ask for object having length l placed on the axis... hope you are getting me...
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Ruby negi
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everyone put a solution , so I put a ques in which if spherical mirror is concave then how you will approach..
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Chandra prakash
see attached file it's very helpful for you
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Abhishek singh Best Answer
I guess you have the correct solution by now. Now coming to your doubt, The solution you have posted is valid for heights of objects (height is always taken perpendicular to the axis). But, in the question they have given the linear object placed along the axis(not perpendicular to the axis). That's why your answer is not matching. so you have to do this method, this Method deals with the objects placed along the axis. You can remember the formula written in 6th line just above "Also". Do ask doubts if any. Best regards.
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Dhairya sharma
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solution attached:
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Somnath
See attachment.
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Ruby negi
I also put explaination for your solution that you attached , you took that object like this(in my attached page) that why you got wrong ans. ,in the ques they ask for object having length l placed on the axis... hope you are getting me...