An ultraviolet light beam having a wavelength of 217 nm is incident on a molybdenum surface with work function of 4.9 eV.What is the stopping potential? (h = 6.63 × 10−³⁴ J⋅s,c = 3.00 × 10⁸ m/s,1 eV = 1.6 × 10−¹⁹ J,and 1 nm = 10−⁹ m) A)10.6 V B)5.3 V C)0.8 V D)0.4 V E)5.7 V

Question

Quizplus · Accepted Answer

The Answer of An ultraviolet light beam having a wavelength of 217 nm is incident on a molybdenum surface with work function of 4.9 eV.What is the stopping potential? (h = 6.63 × 10−³⁴ J⋅s,c = 3.00 × 10⁸ m/s,1 eV = 1.6 × 10−¹⁹ J,and 1 nm = 10−⁹ m) A)10.6 V B)5.3 V C)0.8 V D)0.4 V E)5.7 V

An Ultraviolet Light Beam Having a Wavelength of 217 Nm