A light having wavelength 300 nm falls on a metal surface work function of metal is 2.54 eV. What is stopping potential?
A. 1.4 V
B. 2.59 V
C. 1.60 V
D. 1.29 V
Answer:A
A light having wavelength 300 nm falls on a metal surface work function of metal is 2.54 eV. What is stopping potential?
A. 1.4 V B. 2.59 V C. 1.60 V D. 1.29 V