To properly understand electromagnetic radiation diffraction, we first need to clarify what diffraction entails. Diffraction is typically described as the bending and spreading of waves when they encounter an obstacle or pass through an aperture. In the context of electromagnetic radiation, this phenomenon is related to the wavelength of the radiation and the dimensions of the obstacle or aperture.
Option A describes diffraction as ‘the wavelength dependent bending of electromagnetic radiation as it travels from one transparent medium to another transparent medium.’ This is actually more about refraction, rather than diffraction. Refraction involves the change in direction of waves due to a change in their speed when entering a different medium.
On the other hand, it could be inferred that the comparison made in the question seems to be incomplete or cut-off, which makes it difficult to judge between options. Still, if we’re pinpointing the essence of diffraction, we should focus on how electromagnetic waves bend around obstacles or spread out after passing through narrow openings, which fundamentally ties back to the size of the wavelength in relation to the aperture dimensions.
In conclusion, while Option A provides a clear definition pertaining to electromagnetic radiation behavior across media, it does not quite encapsulate the essence of diffraction. Rather, it’s crucial to recall that diffraction specifically highlights the bending around edges and openings, indicating the wave nature of electromagnetic radiation itself.