Question
Physics Question on Dual nature of matter
A photocell stops emission if it is maintained at 2 V positive potential. The energy of most energetic photoelectron is:
A
2 eV
B
2 J
C
2 kJ
D
2 keV
Answer
2 eV
Explanation
Solution
Answer (a) 2 eV
A photocell stops emission if it is maintained at 2 V positive potential. The energy of most energetic photoelectron is:
2 eV
2 J
2 kJ
2 keV
2 eV
Answer (a) 2 eV