Contact us
Back

Report Issue

Atomic Structure

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2021
The number of photons emitted by a monochromatic (single frequency) infrared range finder of power 1 mW and wavelength of 1000 nm , in 0.1...
JEE Main Chemistry Easy
View Solution →
Q JEE MAIN 2020
The number of orbitals associated with quantum numbers $\mathrm{n}=5, \mathrm{~m}_{\mathrm{s}}=+\frac{1}{2}$ is:
JEE Main Chemistry Easy
View Solution →
Q JEE-MAIN 2021
A metal surface is exposed to 500 nm radiation. The threshold frequency of the metal for photoelectric current is $4.3 \times 10^{14} \mathrm{~Hz}$. The velocity...
JEE Main Chemistry Easy
View Solution →
Q JEE MAIN 2021
Number of electrons that Vanadium (Z = 23) has in p-orbitals is equal to ______
JEE Main Chemistry Easy
View Solution →
Q JEE MAIN 2021
Given below are two statements.
Statement I: According to Bohr's model of an atom, qualitatively the magnitude of velocity of electron increases with decrease...
JEE Main Chemistry Medium
View Solution →
Q JEE MAIN 2019
The 71st electron of an element X with an atomic number of 71 enters into the orbital:
JEE Main Physics Easy
View Solution →
Q JEE MAIN 2019
The ground state energy of hydrogen atom is -13.6 eV . The energy of second excited state of $\mathrm{He}^{+}$ion in eV is :
JEE Main Chemistry Easy
View Solution →
Q JEE MAIN 2021
The kinetic energy of an electron in the second Bohr orbit of a hydrogen atom is equal to $\frac{h^2}{x m a_0^2}$. The value of $...
JEE Main Chemistry Easy
View Solution →
Q JEE MAIN_2021_
What is A in the following reaction?
JEE Main Chemistry Medium
View Solution →
Q JEE MAIN 2021
A 50 watt bulb emits monochromatic red light of wavelength of 795 nm . The number of photons emitted per second by the bulb is...
JEE Main Chemistry Easy
View Solution →