Chemistry Crash Course JEE Main>Chapter 25 - Structure of Atom>Level 1>Q 51

MEDIUM

JEE Main

IMPORTANT

Earn 100

Bohr's radius of $n^{th}$ orbit of an atom is given by the expression:

55.56% studentsanswered this correctly

Important Questions on Structure of Atom

MEDIUM

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 25 - Structure of Atom>Level 1>Q 52

In a hydrogen atom, if the energy of an electron in ground state is

- 13.6 eV,

then, that in the

2^{nd}

excited state is:

HARD

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 25 - Structure of Atom>Level 1>Q 53

Which of the following transitions of electrons in the hydrogen atom will emit the maximum energy?

MEDIUM

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 25 - Structure of Atom>Level 1>Q 54

If the uncertainty in position and momentum are equal, then, the uncertainty in velocity is:

MEDIUM

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 25 - Structure of Atom>Level 1>Q 55

The ionization enthalpy of the hydrogen atom is

1.312 \times 10^{6} J / mol

. The energy required to excite the electron in the atom from

n = 1

to

n = 2

is:

EASY

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 25 - Structure of Atom>Level 1>Q 56

In Bohr's orbit, what is the ratio of the total kinetic energy and the total energy of the electron?

EASY

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 25 - Structure of Atom>Level 1>Q 57

The kinetic energy of an electron accelerated from rest through a potential difference of

5 V

will be:

HARD

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 25 - Structure of Atom>Level 1>Q 58

According to Bohr's theory, the energy required for the transition of electron in

H

-atom from

n = 6

to

n = 8

state is

EASY

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 25 - Structure of Atom>Level 1>Q 59

The wave number of the first emission line in the Balmer series of $H$ -Spectrum is:

( $R =$ Rydberg's constant)