Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 2>Q 23

HARD

NEET

IMPORTANT

Earn 100

The frequency of radiation emitted when the electron falls from $n = 2$ to $n = 1$ in a hydrogen atom will be

$(h = 6.625 \times 10^{- 34} Js)$

50% studentsanswered this correctly

Important Questions on Structure of Atom

HARD

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 2>Q 24

The kinetic energy of an electron in the second orbit of a hydrogen atom is

( $a_{0}$ is Bohr radius of the first orbit)

MEDIUM

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 2>Q 25

If the series limit to the wavelength of the Lyman series of the hydrogen atom is

912 Å

, then the series limit to the wavelength for the Balmer series of the hydrogen atom is

MEDIUM

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 2>Q 26

The difference between the wave number of first line of Balmer series and last line of paschen series for

{Li}^{2 +}

ion is

MEDIUM

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 2>Q 27

If the shortest wavelength of the Lyman series of

H

atom is

x

, then the wavelength of the first line of the Balmer series of

H

atom will be:

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 2>Q 28

Suppose that a hypothetical atom gives a red, green, blue and violet fine spectrum . Which jump according to figure would give off the red spectral line.

Question Image

MEDIUM

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 2>Q 29

What electron transition in the

{He}^{+}

spectrum would have the same wavelength as the first Lyman transition of hydrogen?

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 2>Q 30

What will be the

KE

of photoelectrons ejected, when a photon of

13 eV

is absorbed by

H -

atom in the third excited state.

MEDIUM

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 2>Q 31

What is the ratio of the wavelengths of last lines of the Balmer and Lyman series for any hydrogen-like species?