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The wave number of the first line of the Balmer series of a hydrogen atom is 15200 cm-1. What is the wave number of the first line of the Balmer series of Li2+ ion:

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Important Questions on Structure of Atom

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 95
Calculate the number of possible spectral lines which may be emitted in Brackett series in H-atom, if electrons present in 9th excited level returns to ground level.
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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 96
What is the ratio of wavelength of second line of Lyman series to that of series limit of Paschen series of H-atom?
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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 97
The De-Broglie equation suggests that an electron has
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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 98
The wavelength of a charged particle ________ the square root of the potential difference through which it is accelerated.
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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 99
What will be the wavelength of the de-Broglie wave associated with, if the kinetic energy of an electron is increased 4 times?
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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 100

What will be the associated wavelength, if a 0.66kg ball is moving with a speed of 100m/s? h=6.6×10-34Js

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 101
The de-Broglie wavelength associated with a ball of mass 1 kg having kinetic energy 0.5 J is
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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 102
The speed of a proton is one hundredth of the speed of light in vaccum. What is the De-Broglie wavelength of the proton? Assume that one mole of protons has a mass equal to one gram. [h=6.626×10-27erg sec]