Problem: How many photons of blue light (with a wavelength of 400 nm) does it take to create a beam of light with an energy of 1 J?

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How many photons of blue light (with a wavelength of 400 nm) does it take to create a beam of light with an energy of 1 J?

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Particle-Wave Duality concept. You can view video lessons to learn Particle-Wave Duality Or if you need more Particle-Wave Duality practice, you can also practice Particle-Wave Duality practice problems .

What professor is this problem relevant for?

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