The de-Broglie's wavelength of an electron in the 4th orbit is ____ πa₀. (a₀ = Bohr's radius)
Answer: 8
Solution
The de-Broglie condition for a Bohr orbit is , with .
For the 4th orbit (, ):
So the wavelength is ; the value is 8.
For the 4th orbit (, ):
So the wavelength is ; the value is 8.
JEE Main · 2024 · 04 Apr 2024 · Shift 1 · Integer answer