For an electron(or any other material particle) of mass m moving with velocity V, λ= ____________ .
h/mv
h/v2
mv2/c
hc2/m
The bond order of O2 molecule can be calculated as :
2
3
1
1/2
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
Einstein's equation is :
λ = h/mv
E = mv
E = mc2
E = h/p
Particle nature of electron was experimently demonstrated by :
Max Bon
J.J. Thomson
De-Broglie
Shrodinger
The relation between wave motion of photons and stream of particle is :
Interference
Diffraction
E = hν
de-Broglie relation has significance for ___________ object.
Submicroscopic
Macro
Large
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
The energy of electron in an atom is given by En = ___________.
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
