The energy required by electrons, present in the first Bohr orbit of hydrogen atom to be excited to second Bohr orbit is ____J mol^–1.

(Given: \({\text{R}}_{\text{H}}=2.18\times {10}^{−11}\) ergs)

[JEE Main 2026, 22 Jan (Shift 1)]

Question

The energy required by electrons, present in the first Bohr orbit of hydrogen atom to be excited to second Bohr orbit is ____J mol^–1.

(Given: \({\text{R}}_{\text{H}}=2.18\times {10}^{−11}\) ergs)

[JEE Main 2026, 22 Jan (Shift 1)]

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The energy required by electrons, present in the first Bohr orbit of hydrogen atom to be excited to second Bohr orbit is…