Question 30
Electromagnetic SpectrumWhich of the following arrangements of the components of electromagnetic spectrum is in ascending order of wavelengths?
- A.Gamma rays, ultraviolet rays, x-rays, infra-red rays
- B.Gamma rays, x-rays, ultraviolet rays, infra-red rays
- C.infra-red rays, ultraviolet rays, x-rays, gamma rays
- D.Gamma rays, ultraviolet rays, infra-red rays, x-rays.
Show the answer and explanation
Answer: B (Gamma rays, x-rays, ultraviolet rays, infra-red rays)
Explanation
From shortest to longest wavelength: gamma rays, X-rays, ultraviolet, visible light, infra-red, radio waves.