M-CAPS : 08_Chemistry 7. A light source of frequency, 6 x 1015 Hz subjected to a metal sheet having work functio equal to 22.6 eV. Then, the velocity of phot electrons emitted having maximum kinetic ener will be (Planck constant : h = 6.626 x 10-34 J-S (1) 443 x 105 m/s (2) 3.21 % 10 m/s (3) 8.89 x 105 m/s (4) 8.73 x 106 m/s
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(1) 443 x 105 m/s is the answer
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