Home › CBSE Class 12 (Science) › Physics › Dual Nature of Radiation and Matter › Which group of metals responds even to visible l…
Which group of metals responds even to visible light in photoemission?
AZinc, cadmium, magnesium
BIron, nickel, cobalt
CSodium, potassium, caesium
DCopper, silver, gold
Answer & Solution
Correct answer: C. Sodium, potassium, caesium
Alkali metals such as lithium, sodium, potassium, caesium and rubidium have low work functions and so respond to visible light.
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