Question

39.) 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
a) 1.8 V
b) 1.3 V
c) 0.5 v
d) 2.3 V
फोटोइलेक्ट्रिक एमिशन प्रोसेस फ्रॉम मेटल ऑफ वर्क फंक्शन 1.8 ​

Answer 1

Answer:

0.5 V is the stopping potential.