which of the following particles having same kinetic energy, would have the maximum de-Broglie wave length
α-particles
proton
β-particles
neutron
The energy of electron in an atom is given by En = ___________.
The relation between wave motion of photons and stream of particle is :
Interference
E = mc2
Diffraction
E = hν
The bond order of N2 molecule can be calculated as :
6
2
3
1
Which type of bonding is formed between the two molecules of same or different compounds ?
Intra molecular hydrogen bonding
Inter molecular hydrogen bonding
A and B
None of these
The stability of a molecule or an ion can be determined from the :
Bond order
Orbital
Both a and b
It is impossible to determine simultaneously by both the position and velocity of a microscopic particle with absolute accuracy or certainty. This is :
Heisenberg uncertainty principle
de-Broglie's principle
Bohr's principle
Quantum theory
A particle having a mass of 1.0 mg has a velocity of 3600 km/h. Calculate the wavelength of the particle.
(h=6.626 x 10-27 ergs)
6.626 x 10-28 cm
6.626 x 10-29 cm
6.626 x 10-30 cm
6.626 x 10-31 cm
Dual nature of an electron was explained by :
Bohr
de-Broglie
Pauli
Heisenberg
Shape of s-orbital is :
Dumb-bell
Spherical
Hexagonal
Tetrahedral
