GENERAL KNOWLEDGE

GK

BIG BANG THEORY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Red light has a ____ pitch, or frequency, than the blue end.
A
Low
B
High
C
the same
D
nice
Explanation: 

Detailed explanation-1: -Blue light has shorter waves, with wavelengths between about 450 and 495 nanometers. Red light has longer waves, with wavelengths around 620 to 750 nm. Blue light has a higher frequency and carries more energy than red light.

Detailed explanation-2: -When it comes to visible light, the highest frequency color, which is violet, also has the most energy. The lowest frequency of visible light, which is red, has the least energy.

Detailed explanation-3: -Blue light waves oscillate more quickly (higher energy), and red light waves oscillate more slowly (lower energy). To think of why higher frequency waves (or waves that oscillate more quickly) have higher energy, imagine you have a rope and you’re trying to swing it back and forth.

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