A laser pulse with wavelength 510 nm contains 4.85 mJ of energy. How many photons are in the laser pulse?
- print Print
- list Cite
Expert Answers
Inna Shpiro
| Certified Educator
calendarEducator since 2013
write619 answers
starTop subjects are Math, Science, and Literature
The energy of a laser pulse can be determined by `E=n*h*nu` , where n is the number of photons, h is the Planck's constant and `nu` is the frequency of the laser pulse, which is related to its wavelengths.`<br> `
The Planck's constant is
`h=6.626*10^(-34) J*s`
and the frequency...
(The entire section contains 139 words.)
Unlock This Answer Now
Start your 48-hour free trial to unlock this answer and thousands more. Enjoy eNotes ad-free and cancel anytime.
Related Questions
- How many photons are produced in a laser pulse of 0.861 J at 565 nm?
- 1 Educator Answer
- How many photons are produced in a laser pulse of 0.188 J at 571 nm?
- 1 Educator Answer
- How many photons are produced in a laser pulse of 0.401 J at 555 nm?
- 1 Educator Answer
- How many photons are produced in a laser pulse of 0.169 J at 439 nm?
- 1 Educator Answer
- The red light emitted by a He-Ne laser has a wavelength of 633 nm in air and travels at 3.00 ×...
- 1 Educator Answer