H2P-611
Energy levels and line spectra
H2 Physics · JC 2 · Easy · Energy levels and line spectra
A small UV lamp is placed 0.5 m from a photocell and causes a photoelectric current of 18 µA. Assuming the frequency of light is unchanged, what will be the current when the lamp is moved to 1.5 m from the photocell?
- 2.0 µA
- 6.0 µA
- 9.0 µA
- 0.67 µA
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