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High School/JEE/NEET/IPhO Physics | 17-19 Yrs

Geometrical Optics III - Thin Lenses
Module - 1 Thin Lenses
Duration: 6.50 Min
 
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Duration: 3.26 Min
 
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Duration: 2.02 Min
 
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Duration: 1.49 Min
 
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Duration: 5.58 Min
 
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Duration: 4.08 Min
 
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Duration: 3.34 Min
 
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Duration: 2.56 Min
 
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Duration: 6.02 Min
 
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Module - 17 Solved Example-3
Duration: 3.48 Min
 
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Module - 18 Solved Example-4
Duration: 3.04 Min
 
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Module - 19 Solved Example-5
Duration: 3.57 Min
 
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Module - 20 Solved Example-6
Duration: 3.39 Min
 
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Module - 21 Solved Example-7
Duration: 2.34 Min
 
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Duration: 6.33 Min
 
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Duration: 2.38 Min
 
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Module - 25 Solved Example-8
Duration: 3.54 Min
 
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Module - 26 Solved Example-9
Duration: 2.40 Min
 
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Duration: 4.05 Min
 
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Duration: 3.48 Min
 
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Duration: 2.17 Min
 
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Duration: 2.39 Min
 
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  1.  
  2. When a plano convex lens silvered from plane side it behaves as concave mirror of focal lenght 60cm and when silvered on convex side behave as concave mirror of focal length 20 cm find refractive index of lens
    6 years ago by Pavan

    Post your answer here

  3.  
  4. Sir, thank you for your lectures..i have complted test st 1 of Geometrical optics 111..but i hav e doubt for following qiestions.(question numbers: 13,17,18,24,27,31)..if you have time to solve this questions kindly please share with me . ..waiting for your valuable reply..thanks..
    6 years ago by MUHAMMAD SALEM KOTTUPANTHARA

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  5.  
  6. sir while deriving mirror or lens formula we already take into account the sign conventions. sir then why while solving problems we apply sign conventions again?
    8 years ago by R Rohit
    Ans 1 ->
    Its so bcoz ... while deriving we considered a particular case and applied sign conventions therefore it gets generalised but when we again apply sign convention in the general formula we get the particualr case back.
    8 years ago by Harry S. McTavish

    Post your answer here