Physics, asked by Devansh3664, 1 year ago

The work function of a substance is 4eV. The longest wavelength of light that can cause photoelectron emission from this substance is approximately

Answers

Answered by Rinku07

3

3.09 into 10 to the power -7 is your required answer

Answered by rj8982

3

310 nm is your answere

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