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A Crystal Emits a Light of Wavelength 720

Question 91

Multiple Choice

A crystal emits a light of wavelength 720.0 nm. What is the light's energy in joules of a mole photons

A) 4.164 × 10¹⁰ J/mol
B) 6.625 × 10 ^-34 J/mol
C) 1.661 × 10⁵ J/mol
D) 1.507 × 10¹⁵ J/mol
E) 41.120 × 10¹⁴ J/mol

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