The work function of photoelectric material is 3.3 eV. The threshold frequency will be equal to:
A. 8 × 1014 Hz
B. 8 × 1010 Hz
C. 5 × 1010 Hz
D. 4 × 1014 Hz
Answer:A
The work function of photoelectric material is 3.3 eV. The threshold frequency will be equal to:
A. 8 × 1014 Hz B. 8 × 1010 Hz C. 5 × 1010 Hz D. 4 × 1014 Hz