Wavelength and Frequency Video Lessons

Concept: The Electromagnetic Spectrum

# Problem: A laser pulse produces 1.046 kJ of energy. It was experimentally determined that the pulse contains 3.50 x 1022 photons. Determine the wavelength of light (in meters) emitted by one photon. A) 6.65 x 10-3 m B) 1.50 x 105 m C) 5.43 x 10-48 m D) 1.50 x 102 m E) 6.65 x 10-6 m

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###### Problem Details

A laser pulse produces 1.046 kJ of energy. It was experimentally determined that the pulse contains 3.50 x 1022 photons. Determine the wavelength of light (in meters) emitted by one photon.

A) 6.65 x 10-3 m

B) 1.50 x 105 m

C) 5.43 x 10-48 m

D) 1.50 x 102 m

E) 6.65 x 10-6 m

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Based on our data, we think this problem is relevant for Professor Brush's class at FSU.