Calculate the energy of a high-energy $\gamma$-photon, of frequency $1.0\times {10}^{26} \mathrm{Hz}$.

Determine the wavelength of the electromagnetic waves for the photon. Then use figure to identify the region of the electromagnetic spectrum to which it belongs.

The photon energy is:

 ${10}^{-12}\mathrm{J}$

Determine the wavelength of the electromagnetic waves for the photon. Then use figure to identify the region of the electromagnetic spectrum to which it belongs.

The photon energy is:

 ${10}^{-15}\mathrm{J}$

Determine the wavelength of the electromagnetic waves for the photon. Then use figure to identify the region of the electromagnetic spectrum to which it belongs.

The photon energy is:

 ${10}^{-18}\mathrm{J}$

Determine the wavelength of the electromagnetic waves for the photon. Then use figure to identify the region of the electromagnetic spectrum to which it belongs.

The photon energy is:

 ${10}^{-20}\mathrm{J}$

Determine the wavelength of the electromagnetic waves for the photon. Then use figure to identify the region of the electromagnetic spectrum to which it belongs.

The photon energy is:

 ${10}^{-25}\mathrm{J}$

A $1.0 \mathrm{mW}$ laser produces red light of wavelength $6.48\times {10}^{-7}\mathrm{m}$. Calculate how many photons the laser produces per second.