Arrange the following kinds of electromagnetic radiation in order of increasing wavelength: microwave, blue light, orange light, radio waves, X rays, ultraviolet light.

• A. radio waves < microwave < blue light < orange light < ultraviolet light < X rays
• B. X rays < ultraviolet light <orange light < blue light < microwave < radio waves
• C. radio waves < microwave < orange light < blue light < ultraviolet light < X rays
• D. X rays < ultraviolet light < blue light < orange light < microwave < radio waves

Answer: (D)