The energy ratio of a photon of wavelength 3000Å and 6000Å is :

The electronic configuration of element with atomic number 24 is :

The number of spherical nodes in 3p orbitals are

The orientation of an atomic orbital is governed by

The angular speed of the electron in nth orbit of Bohr hydrogen atom is

The uncertainties in the velocities of two particles, A and B are 0.05 and 0.02 ms–1 respectively. The mass of B is five times to that of the mass of A. What is the ratio of uncertainties 〖∆x〗_A/〖∆x〗_B in their positions?

Question is mentioned below :

The orbitals are called degenerate when

What is the correct orbital designation of an electron with the quantum number, n = 4, l = 3, m = – 2, s = 1/2 ?

The order of filling of electrons in the orbitals of an atom will be