The number of photons per second on an average emitted by the source of monochromatic light of wavelength $600\, \mathrm{~nm}$, when it delivers the power of $3.3 \times 10^{-3}$ $watt$ will be : $\left(\mathrm{h}=6.6 \times 10^{-34}\, \mathrm{Js}\right)$
$10^{18}$
$10^{17}$
$10^{16}$
$10^{15}$
Quantam nature of light is explained by which of the following phenomenon
Wavelength of a $1 \;keV$ photon is $1.24 \times {10^{ - 9}}\;m$. What is the frequency of $1 \;MeV$ photon
A photon, an electron and a uranium nucleus all have the same wavelength. The one with the most energy