Photoelectric EffectHard
Question
The work- function of a substance is 4.0 eV. The longest wavelength of light that can cause photoelectron emission from this substance is approximately :
Options
A.540 nm
B.400 nm
C.310 nm
D.220 nm
More Photoelectric Effect Questions
Scent sprayer is based on...In old age artierise carring blood in the human body become narrow resulting in an in crease in the blood pressure. this...Which of the following is related with characteristic emission of X-ray :...Which one of the following statements is NOT true for de Broglie waves ?...Hydrogen atoms absorbs radiation of wavelength λ0 and consequently emit radiations of 6 different wavelengths of wh...