# Problem: Blu-ray DVDs are read with a laser that has a wavelength of 405 nm. Calculate the energy of one mole of photons from this type of laser.           (a) 345 kJ          (b) 2.96×10 5 J          (c) 3.38×10 −6 J          (d) 4.91×10 −19 J          (e) 4.73×10 4 J

###### FREE Expert Solution
85% (412 ratings)
###### Problem Details

Blu-ray DVDs are read with a laser that has a wavelength of 405 nm. Calculate the energy of one mole of photons from this type of laser.

(a) 345 kJ

(b) 2.96×10 5 J

(c) 3.38×10 −6 J

(d) 4.91×10 −19 J

(e) 4.73×10 4 J

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 The Energy of Light concept. You can view video lessons to learn The Energy of Light. Or if you need more The Energy of Light practice, you can also practice The Energy of Light practice problems.

What is the difficulty of this problem?

Our tutors rated the difficulty ofBlu-ray DVDs are read with a laser that has a wavelength of ...as high difficulty.

How long does this problem take to solve?

Our expert Chemistry tutor, Dasha took 7 minutes and 1 second to solve this problem. You can follow their steps in the video explanation above.

What professor is this problem relevant for?

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