Wavelength and Frequency Video Lessons

Concept: The Electromagnetic Spectrum

# Problem: How many photons of light with frequency 5.50 × 10 15 Hz are required to provide 1 kJ of energy? A) 2.74 × 1020 photons B) 3.64 × 10-16 photons C) 3.64 × 10-18 photons D) 4.56 × 10-4 photons E) 1.65 × 1044 photons

###### FREE Expert Solution
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###### Problem Details

How many photons of light with frequency 5.50 × 10 15 Hz are required to provide 1 kJ of energy?

A) 2.74 × 1020 photons
B) 3.64 × 10-16 photons
C) 3.64 × 10-18 photons
D) 4.56 × 10-4 photons
E) 1.65 × 1044 photons

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