Himanshu Pandey Asked a Question
May 22, 2020 1:02 ampts 30 pts
I am facing little bit problem in finding d Is their any thumb rule or short cuts where no of Maxima & minima were given!!!
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  • Ruby negi thankyou
    here is a mistake in the question, here is y3-y1=3mm and D=50cm.. when you use in my derivation you will get 0.2mm
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  • Abhishek singh Best Answer
    There are two mistakes in the question, first is the distance of screen is 50 cm(it is written as 50 mc) and the second is, Y3-Y1 = 3 mm(they have given 3000mm) . Otherwise everyth...
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    Abhishek singh
    doubts and discussions are welcome.
  • Chandra dhawan
    see correct ans dear... I very helpful for you
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    Chandra dhawan
    I hope you got it my point dear
  • Chandra dhawan
    dear Δy = 3mm.... ..becoz put this value in formula we get 0.2mm ans which is correct.. and I hope you got it my point dear
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  • Chandra dhawan thankyou
    dear. I think que is wrong bcoz.....see attached.. file
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  • Ruby negi
    dear here is the solution.. I don't know what is mc, so I put it as it is. but the integer value of width is coming 2. means option b is only width, that why a,c,d is not width. an...
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    Abhishek singh
    Sorry for interrupting, you have done it correctly.