The stopping potential of a photoelectric diode is 9 volts. `e//m = 1.8 xx 10^(11) C kg^(-1)`
Channel: Doubtnut
Date: 2020-06-14

The stopping potential of a photoelectric diode is 9 volts. `e//m = 1.8 xx 10^(11) C kg^(-1)` , then what is its velocity ?