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22-02-2024
Physics

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The threshold frequency for certain metal is v₀. When light of frequency 2v₀ is incident on it, the maximum velocity of photoelectrons is 4×10⁶ms⁻¹. If the frequency of incident radiation is increased to 5v₀, then the maximum velocity of photoelectrons will be :
a. 4/5×10⁶ms⁻¹
b. 2×10⁶ms⁻¹
c. 8×10⁶ms⁻¹
d. 2×10⁷ms⁻¹

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