In Franck-Hertz experiment, the first dip in the current-voltage graph for hydrogen is observed at 10.2 ~V. The wavelength of light emitted by hydrogen atom when excited to the first excitation level is _ _ _ _ nm. (Given hc =1245 ~eV ~nm, e=1.6 × 10⁻¹⁹ C).

Dual Nature of Matter and Radiation: JEE Main 2024 Physics question

JEE Main 2024 · 6 Apr, Evening shift · Q56

JEE Main 20246 Apr, Evening shiftPhysicsMediumDual Nature of Matter and Radiation146× since 2002

In Franck-Hertz experiment, the first dip in the current-voltage graph for hydrogen is observed at

10.2 \mathrm{~V}

. The wavelength of light emitted by hydrogen atom when excited to the first excitation level is ________ nm. (Given hc

=1245 \mathrm{~eV} \mathrm{~nm}, \mathrm{e}=1.6 \times 10^{-19} \mathrm{C}

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2024 Dual Nature of Matter and Radiation Question with Answer (6 Apr Evening shift, Q56) | JEE Arc

JEE Main 2024 · 6 Apr, Evening shift · Q56

JEE Main 20246 Apr, Evening shiftPhysicsMediumDual Nature of Matter and Radiation146× since 2002

In Franck-Hertz experiment, the first dip in the current-voltage graph for hydrogen is observed at

10.2 \mathrm{~V}

. The wavelength of light emitted by hydrogen atom when excited to the first excitation level is ________ nm. (Given hc

=1245 \mathrm{~eV} \mathrm{~nm}, \mathrm{e}=1.6 \times 10^{-19} \mathrm{C}

Your answerType your answer. Integers and decimals are accepted.