COMPUTER FUNDAMENTALS

COMPUTER ETHICS AND SECURITY

ETHICS IN COMPUTING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is Blue Light
A
a light that comes from space that is blue
B
a popular app that old people use
C
a illness from staring at blue stars in the sky
D
visible light spectrum, typically used to refer to light emitted from electronic devices
Explanation: 

Detailed explanation-1: -Blue light, also know as high-energy visible (HEV) light, is a color in the visible light spectrum that can be seen by human eyes. These wavelengths of visible and non-visible light are measured in nanometers (nm), and, in general, the shorter the wavelength, the higher the energy.

Detailed explanation-2: -The largest source of blue light is sunlight. In addition, there are many other sources: Fluorescent light. CFL (compact fluorescent light) bulbs.

Detailed explanation-3: -Cherenkov radiation is a form of energy that we can perceive as a blue glow emitted when the electrically charged particles that compose atoms (i.e. electrons and protons) are moving at speeds faster than that of light in a specific medium.

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