Eduprobe
Question:
The de-Broglie wavelength of a particle of mass 6.63 g moving with a velocity of 100 ms⁻¹ is:
10⁻⁷m
10⁻⁶m
10⁻⁹m
10⁻⁸m
Solution:
λ=h/mv
where,
λ=de-Broglie wavelength
m=mass of particle
v=velocity of particle
λ=6.625×10⁻³⁴/(6.63×10⁻³×100)
=10⁻⁹m