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Questions  

If the electron in an hydrogen atom jumps from an orbit with level ni=3 to an orbit with level nf=2 the emitted radiation has a wavelength given by

a
λ=R6
b
λ=365R
c
λ=6R
d
λ=5R36

detailed solution

Correct option is B

1λ=R122−132=5R36 ⇒λ=365R

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Figure shows the energy levels P, Q, R, S and G of an atom where G is the ground state. A red line in the emission spectrum of the atom can be obtained by an energy level change from Q to S. A blue line can be obtained by following energy level change


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