Assume that the radius of the first Bohr orbit of hydrogen atom is . The radius of the third Bohr orbit of is picometer. (Nearest Integer)
Answer: 270
Solution
The radius of a Bohr orbit varies as . For the third orbit of , with and , the radius is . Expressed in picometres this is pm.
JEE Main · 2023 · 29 Jan 2023 · Shift 2 · Integer answer