Undergrad Michelson-Morley Experiment: Objection Explained

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SUMMARY

The discussion centers on objections to the ether-dragging hypothesis related to the Michelson-Morley experiment. Specifically, it addresses the claim that a transparent object, such as glass or water, does not drag light waves at the full velocity of the moving matter, contradicting the ether theory. This partial drag is explained by current electromagnetic theory, which accounts for the discrepancies observed in Fizeau's experiments. The conversation emphasizes the need for clarity on the source of objections to facilitate better understanding.

PREREQUISITES
  • Understanding of the Michelson-Morley experiment and its significance in physics.
  • Familiarity with the concept of ether and ether-dragging theories.
  • Knowledge of electromagnetic theory and its implications for light propagation.
  • Awareness of Fizeau's experiments and their relevance to light behavior in moving media.
NEXT STEPS
  • Research the implications of the Michelson-Morley experiment on modern physics.
  • Study the principles of electromagnetic theory as they relate to light and motion.
  • Examine Fizeau's experiments in detail to understand their conclusions about light dragging.
  • Explore alternative theories to ether-dragging, such as relativity and quantum mechanics.
USEFUL FOR

Physicists, students of physics, and anyone interested in the historical and theoretical implications of the Michelson-Morley experiment and ether theories.

Sonuz
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Could you please elucidate the below statement which is given as an objection to one of the possible explanation(earth drags the ether surrounding to it) for the negative result of Michelson-morely inferometer experiment?

A second objection arises from the fact that a transparent object of laboratory size does not drag the light waves with the full velocity of the moving matter, as it necessarily would do if it completely dragged the ether along with it; and the observed partial drag is fully accounted for by current electromagnetic theory

Thank you.
 
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You will get more helpful answers if you provide the source of that quotation and tell us what you’re finding unclear
 
The usual objection to ether dragging is that if the air can drag ether 100% (necessary for a null Michelson-Morley) then glass or water ought to, but Fizeau's experiments showed that it doesn't.

As Nugatory says, more detail on what you are reading and what you don't understand would help.
 
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