JEE Main & Advanced Sample Paper JEE Main Sample Paper-41

  • question_answer
    Figure shows the elliptical path of a planet about the sun. The two shaded parts have equal area. If \[{{t}_{1}}\] and \[{{t}_{2}}\] be the time taken by the planet to go from a to b and from c to d respectively, then

    A)  \[{{t}_{1}}<{{t}_{2}}\]                

    B)  \[{{t}_{1}}={{t}_{2}}\]

    C)  \[{{t}_{1}}>{{t}_{2}}\]

    D)  Insufficient, information to deduce the relation between \[{{t}_{1}}\] and \[{{t}_{2}}\]

    Correct Answer: B

    Solution :

    From Kepler's law, equal area will be swept in equal time intervals.


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