Ask your own question, for FREE!
Physics 16 Online
OpenStudy (anonymous):

What is used as the standard of time?a.)revolutions of Earth around the Sun, b.)oscillations of a certain type of light emission, c.)rotations of Earth p.s: I choose C, however, the system stated it is the wrong answer, can someone explain to me why, and what the correct answer is?

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!