The ratio  of the radii of the first  three orbits in an atom of hydrogen is

The ratio  of the radii of the first  three orbits in an atom of hydrogen is

  1. A

    1 : 4 : 9

  2. B

    9 : 4 : 1

  3. C

    1 : 2 : 3

  4. D

    3 : 2 :1

    Fill Out the Form for Expert Academic Guidance!l



    +91



    Live ClassesBooksTest SeriesSelf Learning



    Verify OTP Code (required)

    I agree to the terms and conditions and privacy policy.

    Chat on WhatsApp Call Infinity Learn