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प्रश्न
A metal cathode shows no photoelectric effect when illuminated with green light. Which visible colours are likely to generate photocurrent?
अति संक्षिप्त उत्तर
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उत्तर
Blue, indigo and violet light are likely to generate photocurrent. Their frequencies are higher, and their photon energies are greater, than those of green light; they may therefore exceed the metal’s threshold frequency.
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