Dual Nature of Radiation and Matter - Result Question 36
38. In photoelectric emission process from a metal of work function $1.8 eV$, the kinetic energy of most energetic electrons is $0.5 eV$. The corresponding stopping potential is [2011]
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======= ####38. In photoelectric emission process from a metal of work function $1.8 eV$, the kinetic energy of most energetic electrons is $0.5 eV$. The corresponding stopping potential is [2011]
c3eec34ec6b1fad69db54a20ad4b2dca40c2aa54 (a) $1.8 V$
(b) $1.2 V$
(c) $0.5 V$
(d) $2.3 V$
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Answer:
Correct Answer: 38. (c)
Solution:
- (c) The stopping potential is equal to maximum kinetic energy.
