The Photoelectric Effect Lab 10
Prelab Questions : Predictions
If the light shining on the metal becomes...
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Physics
The Photoelectric Effect Lab 10
Prelab Questions : Predictions
If the light shining on the metal becomes brighter, will thekinetic energy of the emitted electrons increase?
If the light shining on the metal becomes brighter, will thenumber of electrons being emitted per second (the photo-current)increase?
If the frequency of the light shining on the metal isincreased, will the number of electrons being emitted per second(the photo-current) increase?
If the frequency of the light shining on the metal isincreased, will the kinetic energy of electrons being emittedincrease?
Will all colors (frequencies) of light cause electrons to beemitted by the metal? What is the condition on wavelength forPotassium that light should cause electrons to be ejected?
If light with the same frequency and same power shines on twodifferent metals with different work functions, will both metalsemit electrons?
Will these electrons have the same kinetic energy?
Will the photo-current be larger for the metal with the smallerwork function?
Answer & Explanation
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If the light shining on the metal becomes brighterthe kinetic energy of the emitted electrons will not increase as kinetic energy is independent of the intensity of incident light If the light
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