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JEE Main 2022 Physics question

PhysicsAtomsJEE Main 2022

Hydrogen atom from excited state comes to the ground state by emitting a photon of wavelength . The value of principal quantum number 'n' of the excited state will be, (R: Rydberg constant)

Answer: (2)

Solution

, so , i.e. n^{2}$ = 1

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Question ID VK-024673