Alpha Question Bank for Engineering: Chemistry>Chapter 2 - Structure of Atom>Exercise-2>Q 8

EASY

JEE Main/Advance

IMPORTANT

Earn 100

The potential energy of the electron present in the ground state of ${Be}^{3 +}$ ion is represented by:

50% studentsanswered this correctly

Important Questions on Structure of Atom

EASY

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 2 - Structure of Atom>Exercise-2>Q 9

The kinetic energy of the electron present in the ground state of

{Li}^{2 +}

ion is represented by :-

MEDIUM

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 2 - Structure of Atom>Exercise-2>Q 10

Which transition in

{Li}^{2 +}

would have the same wavelength as the

2 \to 4

transition in

{He}^{+}

ion?

MEDIUM

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 2 - Structure of Atom>Exercise-2>Q 11

v_{1}

is the frequency of the series limit of Lyman series,

v_{2}

is the frequency of the first line of Lyman series and

v_{3}

is the frequency of the series limit of the Balmer series. Then

MEDIUM

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 2 - Structure of Atom>Exercise-2>Q 12

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:

MEDIUM

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 2 - Structure of Atom>Exercise-2>Q 13

A particle

X

, moving with a certain velocity has a de-Broglie wavelength of

1 Å .

If a particle

Y

has a mass of

25 %

and velocity of

75 %

that of

X

, de-Broglie's wavelength of

Y

will be

MEDIUM

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 2 - Structure of Atom>Exercise-2>Q 14

The ratio of the de-Broglie wavelength of a proton and

α

-particles will be

1 : 2

if their:

EASY

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 2 - Structure of Atom>Exercise-2>Q 15

De-Broglie wavelength of an electron after being accelerated by a potential difference of

V

volt from rest is:

EASY

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 2 - Structure of Atom>Exercise-2>Q 16

If wavelength is equal to the distance travelled by the electron in one second, then