A photon emitted during the de-excitation of electron from a state n to the first excited s....

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A photon emitted during the de-excitation of electron from a state n to the first excited state in a hydrogen atom, irradiates a metallic cathode of work function 2eV, in a photo cell, with a stopping potential of 0.55 V. Obtain the value of the quantum number of the state n. 📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live




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