Question

Infrared rays have a shorter wavelength than A. radar waves. B. ultraviolet rays. C. X-rays. D. gamma rays.

Answer 1

radar waves

Step-by-step explanation:

Wavelength chart.

Infrared is barely outside of the visible spectrum, but radar is (comparatively) way outside the visible spectrum on the side of longer wavelength.

Answer 2

Longest . . . radar waves

then . . . infrared

then . . . ultraviolet

then . . . X-rays

Shortest . . . gamma rays