The Wavelength of the Blue Light Given Off by a Mercury

question 78

Multiple Choice

The wavelength of the blue light given off by a mercury vapor street lamp is 436 nm. What is the energy of this light in joules?

• A)4.56 × 10⁻²⁸ J
• B)4.56 × 10⁻¹⁹ J
• C)8.67 × 10⁻³² J
• D)8.67 × 10⁻²³ J
• E)9.63 × 10⁻⁴⁰ J

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