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A 2 mW laser operates at a wavelength of...

A 2 mW laser operates at a wavelength of 500 nm. The number of photons that will be emitted per second is: [Given Planck’s constant `h = 6.6 xx 10^(-34)Js`, speed of light `c = 3.0 xx 10^(8) m//s`]

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A 2 mW laser operate3s at a wavelength of 500 nm. The number of photons that will be emitted per second is : [ Given Plank's constant h=6.6xx10^(-34)Js , speed of light c=3.0xx10^(8)m//s ]

The energy of a photon wavelength k = 1 meter is (Planck's constant = 6.625 xx 10^(-34) Js, speed of light = 3 xx 10^(8) m//s )

If a semiconductor photodiode can detect a photon with a maximum wavelength of 400 nm, then its band gap energy is : Planck's constant h= 6.63 xx 10^(-34) J.s Speed of light c= 3xx10^8 m//s

If a semiconductor photodiode can detect a photon with a maximum wavelength of 400 nm, then its band gap energy is : Planck's constant h= 6.63 xx 10^(-34) J.s Speed of light c= 3xx10^8 m//s

Calculate the energy in joule corresponding to light of wavelength 45nm (Planck's constant h = 6.63 xx 10^(-34)Js , speed of light c = 3 xx 10^(8)ms^(-1) )

Calculate the energy in joule corresponding to light of wavelength 45 nm : (Planck' constant h = 6.63 xx 10^-34 Js , speed of light c = 3 xx 10^8 ms^-1 )