BHU PMT BHU PMT (Mains) Solved Paper-2007

  • question_answer
    If the amount of heat energy received per unit area from sun is measured on earth, mars and jupiter, it will be

    A)  same for all

    B)  in decreasing order jupiter, mars and earth

    C)  in increasing order jupiter, mars and earth

    D)  in decreasing order mars, earth and Jupiter

    Correct Answer: C

    Solution :

                     Amount of heat energy, \[E\propto \frac{1}{{{r}^{2}}}\] Distance of planets from sun in increasing order is mercury, venus, earth, mars, Jupiter. So, the amount of heat energy received per unit area from sun in increasing order is Jupiter, mars and earth.


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