The relation between wave motion of photons and stream of particle is :
Interference
E = mc2
Diffraction
E = hν
For an electron(or any other material particle) of mass m moving with velocity V, λ= ____________ .
h/mv
h/v2
mv2/c
hc2/m
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
which of the following particles having same kinetic energy, would have the maximum de-Broglie wave length
α-particles
proton
β-particles
neutron
Dual character of an electron was explained by
Bohr
Heisenberg
de-Broglie
Pauli
The bond order of H2 molecule can be calculated as :
2
4
1
1/2
Calculate the velocity of an electron having wavelength of 0.15 nm. Mass of an electron is 9.109 x 10-28 g. (h=6.626 x 10-27 ergs)
4.85 x 108 cms-1
2.062 x 10-15 cms-1
2.068 x 10-10 cms-1
4.85 x 10-8 cms-1
What is the frequency of a light wave whose period is 2.0 x 10-10 s ?
5 x 109 s
4 x 109 s
5 x 109 s-1
4 x 109 s-1
The bond order of O2 molecule can be calculated as :
3
Particle nature of electron was experimently demonstrated by :
Max Bon
J.J. Thomson
De-Broglie
Shrodinger
