This question belongs to the topic- photoelectric effect of class 11 modern physics.
Sohel , 5 Years ago
Grade 11
Modern Physics> This question belongs to the topic- photo...
1 Answers
Arun
Last Activity: 5 Years ago
The electric field becomes 0 1.2 * 10^45 times per second. ∴ Frequency = 1.2 * 10^15/2 = 0.6 * 10^15 hv = ∅ base 0 + KE ⇒ hv - ∅ base 0 = KE ⇒ KE = 6.63 * 106-34 *0.6 * 10^15/1.6 * 10^-19 – 2 = 0.482 ev = 0.48 ev.
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