What are the branches of physics?
Submitted by: AdministratorThe fundamental branches of physics are classical mechanics, electromagnetism (including optics), relativity, thermodynamics, and quantum mechanics.
How was the length of a standard meter redefined in the year 1983?
Since 1983 the meter has been defined as the distance light travels in a vacuum in exactly 1⁄299,792,458th of a second
Submitted by: Administrator
How was the length of a standard meter redefined in the year 1983?
Since 1983 the meter has been defined as the distance light travels in a vacuum in exactly 1⁄299,792,458th of a second
Submitted by: Administrator
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