An $α$-particle moves in a circular paths of radius 0.83 cm in the presence of a magnetic field $0.25 Wb/m^2$. The de-Broglie wavelength associated with the particle would be approximately:

0.1 Å 1 Å 10 Å 0.01 Å

0.01 Å

The correct answer is Option (4) → 0.01 Å