Some snakes have special sensory organs that detect the infrared region of the electromagnetic spectrum. Compared with human vision, these snakes can sense electromagnetic waves that have

Question

a lower frequency and a shorter wavelength.
a higher frequency and a longer wavelength.
a lower frequency and a longer wavelength.
a higher frequency and a shorter wavelength.

Answer 1

Snakes that can detect infrared radiation have sensory organs that allow them to sense electromagnetic waves with a lower frequency and a longer wavelength compared to visible light, which is what humans see.

In the electromagnetic spectrum, infrared radiation is located beyond the visible spectrum on the longer wavelength side, meaning it has a lower frequency than visible light. Therefore, the correct choice is:

a lower frequency and a longer wavelength.