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Home / Doubts and Solutions/JEE/Physics

please solve the question

Asked by jaychandran1967 28th November 2017, 4:20 PM
Answered by Expert
Answer:
Radius of curvature R is given by
 
begin mathsize 12px style R space equals space open vertical bar fraction numerator open parentheses 1 plus open parentheses begin display style fraction numerator d y over denominator d x end fraction end style close parentheses squared close parentheses to the power of begin display style bevelled 3 over 2 end style end exponent over denominator begin display style fraction numerator d squared y over denominator d x squared end fraction end style end fraction close vertical bar end style
 
at top most point dy/dx is zero. Hence begin mathsize 12px style R space equals space open vertical bar fraction numerator 1 over denominator begin display style fraction numerator d squared y over denominator d x squared end fraction end style end fraction close vertical bar space equals space 1 fourth m end style
Answered by Expert 29th November 2017, 2:21 PM
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