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BVP Medical BVP Medical Solved Paper-2015

  • question_answer
    The spectra of radiation emitted by two distant stars are as shown below. The ratio of the surface temperature of star A to that of star B, \[\left\{ \frac{{{(1+e)}^{2}}}{1+{{e}^{2}}} \right\}\sqrt{\frac{gh}{2}}\] is approximately

    A)  \[\frac{1+{{e}^{2}}}{(1+{{e}^{2}})}\sqrt{\frac{gh}{2}}\]                                 

    B)  \[\left\{ \frac{{{(1-e)}^{2}}}{1-{{e}^{2}}} \right\}\sqrt{\frac{gh}{2}}\]    

    C)  \[\left\{ \frac{{{(1+e)}^{2}}}{1-{{e}^{2}}} \right\}\sqrt{\frac{gh}{2}}\]                                    

    D)  \[4\Omega \]

    Correct Answer: B

    Solution :

                    Applying Whens displacement law, we have \[\frac{Mgx}{3}\]                 \[\eta \]               \[2mg\,[1+{{(\eta /L)}^{2}}]\]                 or            \[mg\,[1+{{(\eta /L)}^{2}}]\]                 or            \[\frac{mg}{2}\,[1+{{(\eta /L)}^{2}}]\]


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