For each of the following wavelengths measured in a vacuum, state the type of electromagnetic radiation to which it corresponds.

(c) $5000 \mathrm{nm}$

For each of the following wavelengths measured in a vacuum, state the type of electromagnetic radiation to which it corresponds.

(d) $500 \mathrm{nm}$

For each of the following wavelengths measured in a vacuum, state the type of electromagnetic radiation to which it corresponds.

(e) $50 \mathrm{nm}$

For each of the following wavelengths measured in a vacuum, state the type of electromagnetic radiation to which it corresponds.

(f) ${10}^{-12} \mathrm{m}$

For each of the following frequencies, state the type of electromagnetic wave to which it corresponds.

(a) $200\mathrm{kHz}$

For each of the following frequencies, state the type of electromagnetic wave to which it corresponds.

(b) $100\mathrm{MHz}$

For each of the following frequencies, state the type of electromagnetic wave to which it corresponds.

(c) $5\times {10}^{14} \mathrm{Hz}$

For each of the following frequencies, state the type of electromagnetic wave to which it corresponds.

(d) ${10}^{18} \mathrm{Hz}$

Explain what happens to unpolarised light incident at a Polaroid.