1.The threshold wavelength for ejection of electrons from a metal is 330 nm330\,\text{nm}330nm. The work function for the photoelectric emission from the metal is (h=6.6×10−34 J⋅sh = 6.6 \times 10^{-34}\,\text{J}\cdot\text{s}h=6.6×10−34J⋅s)a.1.2×10−18 J1.2 \times 10^{-18}\,\text{J}1.2×10−18Jb.6.0×10−19 J6.0 \times 10^{-19}\,\text{J}6.0×10−19Jc.1.2×10−20 J1.2 \times 10^{-20}\,\text{J}1.2×10−20Jd.6.0×10−12 J6.0 \times 10^{-12}\,\text{J}6.0×10−12JLogin to continueOnly logged in users canattempt or see the solution.