TS EAMCET Medical 30 Jul 2022 Shift 1 Paper

Question : 114 of 160

Marks: +1, -0

In a photoelectric effect, the maximum energy of the photoelectron is attained with exposure of 2000Å light. If the maximum kinetic energy of the photoelectron is 3‌eV, the threshold wavelength will be (use hc =1240 ev.nm)