Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 92

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What will be the maximum number of spectral lines in Lyman series, if electron makes transition from $n^{th}$ orbit?

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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 93

In an isolated

H

-atom, electron transits from

6^{th}

orbit to

2^{nd}

orbit, maximum number of spectral lines will be

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 94

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

{Li}^{2 +}

ion:

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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

9^{th}

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 $0.66 kg$ ball is moving with a speed of $100 m / s$ ? $(h = 6.6 \times 10^{- 34} Js)$