Physics

How Long Is a Tenth of a Second
Tenth of a Second is called as Decisecond. It is 1/10 which is 0.1 seconds of time. It may be useful to measure computation...
What is the human perception of sound intensity?
The human ear can perceive a sound with the intensity of 1*10-12 W/m2. The lightest sound a human can hear is called the...
What is the importance of Galileo's discoveries?
In 1609, having developed telescopes based on the designs by Dutch eyeglass makers, Galileo decided to point a telescope...
Who Discovered the Electromagnetic Spectrum?
William Herschel began down the road to discovering the electromagnetic spectrum in 1799. However, the ultraviolet was...
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