MyQuestionIcon

2

You visited us 2 times! Enjoying our articles? Unlock Full Access!

Introduction of Mirror

Laser light o...

Question

Laser light of wavelength 660nm is used to weld a retina detachment. If the pulse has width 60 ms and power 0.5 KW the approximate number of photons in the pulse are?

Open in App

Solution

Suggest Corrections

thumbs-up

5

Similar questions

Q. A Laser light of wavelength

660 n m

is used to weld Retina detachment. If a Laser pulse of width

60 m s

0.5 k W

is used, the approximate number of photons in the pulse are:
[Take Planck's constant

h = 6.62 \times 10^{- 34} J s

]

Q. A laser used to weld detached retinas emits light with a wavelength of

652 n m

in pulses that are

20.0 m s

in duration. The average power during each pulse is

0.6 W

Q. A laser used to weld detached retains emits light with a wavelength

652

nm in pulses that are of

20 m s

duration. The average power during each pulse is

0.6 W

. The energy in each pulse and in a single photon are :

Q. The approximate number of photons in a femtosecond

(10^{- 15} s)

pulse of 600 nanometers wavelenghth light from a 10-kilowatt peak-power dye laser is

Q. A ruby laser produces radiations of wavelengths, 662.6 nm in pulse duration are 10

^{- 6}

s. If the laser produces 0.39 J of energy per pulse, how many photons are produced in each pulse?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Introduction to mirrors_tackle

PHYSICS

Watch in App

explore_more_icon

Explore more

Introduction of Mirror

Standard VII Physics

Join BYJU'S Learning Program

CrossIcon