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Which of the following conditions are guaranteed to continue to produce a current ?

which of the following conditions is guaranteed to

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Answer #1

voilet light with same wavelength but lower intensity will still make the current possible since the energy of the radiation has not decreased and radiation is still able to eject some electrons from the metal surface

X-rays at the same intensity : this is because the energy content of x-ray is greater as compared to voilet

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