JEE Main & Advanced
Sample Paper
JEE Main - Mock Test - 35
question_answer
Using light of wavelength \[\text{6000}\overset{\text{o}}{\mathop{\text{A}}}\,\]stopping potential is obtained 2.4 volt for photoelectric cell. If light of wavelength \[\text{4000}\overset{\text{o}}{\mathop{\text{A}}}\,\]is used then stopping potential (in volt) would be