In a photoelectric experiment the stopping potential for the incident light of wavelength 4000Å is 2 volt. If the wavelength be changed to 3000 Å, the stopping potential will be
A. 2 V
B. zero
C. less than 2 V
D. more than 2 V
Answer:D
In a photoelectric experiment the stopping potential for the incident light of wavelength 4000Å is 2 volt. If the wavelength be changed to 3000 Å, the stopping potential will be
A. 2 V B. zero C. less than 2 V D. more than 2 V