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  3. JEE Main & Advanced

JEE Main & Advanced Sample Paper JEE Main - Mock Test - 30

  • question_answer
    If gold number of A, B, C and D are 0.005, 0.05, 0.5 and 5 respectively, then which of the following will have the highest protective power

    A) A                                 

    B) B

    C) C                                 

    D) D

    Correct Answer: A

    Solution :

    \[\operatorname{Protective} power \propto  \frac{1}{Gold\,\,number}\] Gold number of A is least, therefore, it has the highest protective power.


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