Multiple choice general knowledge science & technology

What is the correct ascending order for frequencies of the following radiations1.visible 2.X-ray 3. Ultraviolet 4.Radiowaves

  1. 1,3,2,4

  2. 3,2,4,1

  3. 4,1,3,2

  4. 4,3,1,2

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The electromagnetic spectrum order by increasing frequency: radio waves (lowest frequency), visible light, ultraviolet, X-rays (highest frequency). This matches option C: 4,1,3,2. Frequency is inversely proportional to wavelength, and energy increases with frequency.