The de-Broglie's wavelength of electron present in first Bohr orbit of '$H$' atom is: (1) $4 \times 0.529 \AA$ (2) $2 \pi \times 0.529 \AA$ (3) $\frac { 0.529 } { 2 \pi } \AA$ (4) $0.529 \AA$
The de-Broglie's wavelength of electron present in first Bohr orbit of '$H$' atom is:\\
(1) $4 \times 0.529 \AA$\\
(2) $2 \pi \times 0.529 \AA$\\
(3) $\frac { 0.529 } { 2 \pi } \AA$\\
(4) $0.529 \AA$