The Wratten Filters have a 'sharp cut-off', and essentially only cut out frequencies higher than their rated frequency, and let through lower frequencies.

Which response best explains why we theoretically expect that the presence of lower frequency light should not be an issue for our experiment?

Question

The Wratten Filters have a 'sharp cut-off', and essentially only cut out frequencies higher than their rated frequency, and let through lower frequencies.   
 
 Which response best explains why we theoretically expect that the presence of lower frequency light should  not  be an issue for our experiment?

Answer

While there is a change in the stopping voltage from the excess photons, it is much smaller than our uncertainty due to a lack of precision in our measurements.

Answer

Lower frequency photons do not effect the stopping voltage, because the stopping voltage is a result of only the most energetic photoelectrons.

Answer

Lower frequency photons do not effect the stopping voltage, because they can never cause photo electrons to be ejected.

Answer

While there is a change in the stopping voltage from the excess photons, it is much smaller than our uncertainty due to a lack of accuracy in our measurements.

Crowdly

The Wratten Filters have a 'sharp cut-off', and essentially only cut out frequen...

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