GENERAL KNOWLEDGE

GK

BIG BANG THEORY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The range of wavelengths or frequencies over which radiation (light) extends
A
Angstrum
B
Electromagnetic Spectrum
C
Spectroscope
D
Big Bang Theory
Explanation: 

Detailed explanation-1: -The wavelengths of visible light range from 400 to 700 billionths of a meter. But the entire electromagnetic spectrum extends from one billionth of a meter (for gamma rays) to meters (for some radio waves).

Detailed explanation-2: -More simply, this range of wavelengths is called visible light. Typically, the human eye can detect wavelengths from 380 to 700 nanometers.

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