In the following question, sentences of a paragraph have been jumbled and labelled as A, B, C and D. You are required to rearrange the jumbled sentences of the paragraph and mark your response accordingly by selecting the correct option.
A: Light or visible light is electromagnetic radiation within the portion of the electromagnetic spectrum that can be perceived by the human eye.
B: The main source of light on Earth is the Sun.
C: Visible light is usually defined as having wavelengths in the range of 400–700 nanometers.
D: This wavelength means a frequency range of roughly 430–750 terahertz (THz).
1
ABCD
2
ABDC
3
BADC
4
BACD