What wavelength of light is required to cause the ejection of photoelectrons with kinetic energies of 5.0 *10^-²⁰ J from a calcium surface ( = 4.60 * 10^-¹⁹ J)? A) 485 nm B) 390 nm C) 308 nm D) 632 nm E) 480 nm

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The Answer of What wavelength of light is required to cause the ejection of photoelectrons with kinetic energies of 5.0 *10^-²⁰ J from a calcium surface ( = 4.60 * 10^-¹⁹ J)? A) 485 nm B) 390 nm C) 308 nm D) 632 nm E) 480 nm

What Wavelength of Light Is Required to Cause the Ejection