The max wavelength of light which emits electrons is 460 nm


1. The max wavelength of light, which emits electrons is 460 nm. Calculate work function of sodium?

2. A gamma ray produces electron positron pair. Each has kinetic energy of 120 kev and rest mass of 0.511 MeV/c^2. What was the energy of the gamma ray photon?

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Physics: The max wavelength of light which emits electrons is 460 nm
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