In photoelectric emission, radiation whose frequency is 4 times the threshold frequency of a certain metal is incident on the metal. Then the maximum possible velocity of the emitted electron will be
A. \(\sqrt{\frac{\mathrm{hv}_{0}}{\mathrm{~m}}}\)
B. \(\sqrt{\frac{6 h v_{0}}{m}}\)
C. \(2 \sqrt{\frac{\mathrm{hv}_{0}}{\mathrm{~m}}}\)
D. \(\sqrt{\frac{\mathrm{hv}_{0}}{2 \mathrm{~m}}}\)
Answer:B
In photoelectric emission, radiation whose frequency is 4 times the threshold frequency of a certain metal is incident on the metal. Then the maximum possible velocity of the emitted electron will be
A. \(\sqrt{\frac{\mathrm{hv}_{0}}{\mathrm{~m}}}\) B. \(\sqrt{\frac{6 h v_{0}}{m}}\) C. \(2 \sqrt{\frac{\mathrm{hv}_{0}}{\mathrm{~m}}}\) D. \(\sqrt{\frac{\mathrm{hv}_{0}}{2 \mathrm{~m}}}\)