A 100 W point source emits monochromatic light of wavelength `6000 A`
Q. Calculate the photon flux (in SI unit) at a distance of 5m from the source. Given `h=6.6xx10^(34)`J s and `c=3xx10^(8)ms^(-1)`

A 100 W point source emits monochromatic light of wavelength 6000 A Calculate the total number of photons emitted by the source per second.

A 100 W point source emits monochromatic light of wavelength 6000 A Calculate the total number of photons emitted by the source per second.

Find the number of photons emitted per second by a 40 W source of monochromatic light of wavelength 6000Å . What is the photoelectric current assuming 5% effeciency of photoelectric effect? Given h=6.62xx10^(-34)Js and c=3xx10^(8) ms^(-1),e=1.6xx10^(-19)C

Calculate the momentum of a photon of frequency 5 xx 10^(13) Hz .Given, h = 6.6 xx 10^(-34)J.s and c = 3 xx 10^(8) m.s^(-1)

A 160 watt light source is radiating light of wavelength 6200 Å uniformly in all directions. The photon flux at a distance of 1.8 m is of the order of (Plank's constant 6.62 xx 10^(-34) J-s )

A 160 watt light source is radiating light of wavelength 6200 Å uniformly in all directions. The photon flux at a distance of 1.8 m is of the order of (Planck's constant 6.63xx 10^(-34) J-s)

A 160 watt light source is radiating light of wavelength 6200 Å uniformly in all directions. The photon flux at a distance of 1.8 m is of the order of (Plank's constant 6.62 xx 10^(-34) J-s )

Calculate momentum of photon. Frequency associated with the photon is 5 xx 10^(13) Hz. Given h6.6 xx 10^(-34) Js and c=3 xx 10^(8) ms^(-1)

A metal has a work function of 2.0 eV and is illuminated by monochromatic light of wavelength 500nm. Calculate (a) the threshold wavelength (b) the maximum energy of photoelectrons (c) the stopping potential. [use h= 6.63xx10^(-34) J, c=3xx10^8ms^-1 ]

A monochromatic source emitting light of wavelength, 600nm, has a power output of 66W. Caculate the number of photons emitted by this source in 2minuts. Use h=6.6xx10(-34)Js .