Waves in decreasing order of their wavelength are
A. X-rays, infrared rays, visible rays, radio waves
B. radio waves, visible rays, infrared rays, X-rays.
C. radio waves, infrared rays, visible rays, X-rays.
D. radio waves, ultraviolet rays, visible rays, X-rays.
Answer:A
Waves in decreasing order of their wavelength are
A. X-rays, infrared rays, visible rays, radio waves B. radio waves, visible rays, infrared rays, X-rays. C. radio waves, infrared rays, visible rays, X-rays. D. radio waves, ultraviolet rays, visible rays, X-rays.