What Is the Energy (E, in J) of the Photons $\lambda$

question 102

Multiple Choice

What is the energy (E, in J) of the photons emitted by an Ar⁺ laser with a wavelength of $\lambda$ = 488 nm?

• A) 2.46 * 10¹⁸ J
• B) 9.69 *10^-23 J
• C) 1.36 *10^-36 J
• D) 4.07 *10^-19 J
• E) 2.46 * 10^-18 J

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