Question

Solve!! ⬇⬇⬇

•The critical wavelength for producing photoelectric effect for a metal of 200 nm. Calculate wavelength of radiation required to produce photoelectrons having half kinetic energy then that produced by radiation of wavelength 120 nm. 

• In hydrogen a radiation is observed at 3802 cm inverse, Calculate energy of photon.

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Answer 1

Hi there!

refer the attachments for answer!