Low-frequency red light is used in dark rooms because it does not expose the film. This is because the red light has a low

Question

Responses

A amplitude.amplitude.

B energy.energy.

C intensity.intensity.

D wavelength.

Answer 1

The correct answer is:

D wavelength.

Low-frequency red light has a longer wavelength, which is outside the sensitivity range of most photographic films, allowing it to be used in dark rooms without exposing the film.