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
The relation between wave motion of photons and stream of particle is :
Interference
E = mc2
Diffraction
E = hν
Which of the following transitions have minimum wavelength ?
n4 → n1
n2 → n1
n4 → n2
n3 → n1
The stability of a molecule or an ion can be determined from the :
Bond order
Orbital
Both a and b
None of these
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
Einstein's equation is :
λ = h/mv
E = mv
E = h/p
de-Broglie relation has significance for ___________ object.
Submicroscopic
Macro
Large
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
