Wavelength and Frequency Video Lessons

Concept: The Electromagnetic Spectrum

# Problem: How many photons are contained in a burst of yellow light (589 nm) from a sodium lamp that contains 609 kJ of energy? A) 3.06 × 1030 photons B) 2.48 × 1025 photons C) 1.81 × 1024 photons D) 3.37 × 1019 photons E) 4.03 × 1028 photons

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###### Problem Details

How many photons are contained in a burst of yellow light (589 nm) from a sodium lamp that contains 609 kJ of energy?

A) 3.06 × 1030 photons
B) 2.48 × 1025 photons
C) 1.81 × 1024 photons
D) 3.37 × 1019 photons
E) 4.03 × 1028 photons

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Based on our data, we think this problem is relevant for Professor All Professors' class at New Jersey Institute of Technology.