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Rank the following radiations according ...

Rank the following radiations according to their associated photon energies, greatest first : (a) yellow light from a sodium vapour lamp, (b) a gamma ray emitted by a radioactive nucleus, (c) a radio wave emitted by the antenna of a commerical radio station, (d) a microwave beam emitted by airport traffic control radar.

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To rank the given radiations according to their associated photon energies, we will use the relationship between the energy of a photon and its wavelength. The energy (E) of a photon is given by the equation: \[ E = \frac{hc}{\lambda} \] where: - \( E \) is the energy of the photon, - \( h \) is Planck's constant (\( 6.626 \times 10^{-34} \, \text{Js} \)), - \( c \) is the speed of light (\( 3 \times 10^8 \, \text{m/s} \)), ...
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