Solved papers for JEE Main & Advanced AIEEE Solved Paper-2003

done AIEEE Solved Paper-2003

  • question_answer1) In Bohr series of lines of hydrogen spectrum, the third line from the red end corresponds to which one of the following inner-orbit jumps of the electron for Bohr orbits in an atom of hydrogen?     AIEEE  Solved  Paper-2003

    A) \[3\to 2\] 

    B)                       \[5\to 2\]

    C) \[4\to 1\]                            

    D) \[2\to 5\]

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  • question_answer2) The de-Broglie wavelength of a tennis ball of mass 60g moving with a velocity of 10 m/s is approximately (Planck's constant, \[h=6.63\times {{10}^{-34}}\] Js)     AIEEE  Solved  Paper-2003

    A) \[{{10}^{-33}}\] m

    B)                       \[{{10}^{-31}}\] m                           

    C)  \[{{10}^{-16}}\]m          

    D)        \[{{10}^{-25}}\] m

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  • question_answer3) The orbital angular momentum for an electron revolving in an orbit is given by \[\sqrt{l(l+1)}\frac{h}{2\pi }\]. This momentum for an s-electron will be given by

    A) \[+\frac{1}{2}.\,\frac{h}{2\pi }\]

    B) zero

    C) \[\,\frac{h}{2\pi }\]

    D) \[\sqrt{2}\,.\,\frac{h}{2\pi }\]

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  • question_answer4) Which one of the following group represents a collection of isoelectronic species? (At. no. Cs-55. Br-35)     AIEEE  Solved  Paper-2003

    A)                         \[N{{a}^{+}},C{{a}^{2+}},M{{g}^{2+}}\]

    B)       \[{{N}^{3-}},{{F}^{-}},N{{a}^{+}}\]

    C)       Be, \[A{{l}^{3+}},C{{l}^{-}}\]      

    D)       \[C{{a}^{2+}},C{{s}^{+}},Br\]

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AIEEE Solved Paper-2003
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