Since Einstein, Scientists Think That the Substance That Is "Waving

question 46

Multiple Choice

Since Einstein, scientists think that the substance that is "waving" when a light wave is transmitted is

• A) air.
• B) ether.
• C) plasma.
• D) phlogisten.
• E) They don't think any material substance is waving.

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GPS System

A global navigation satellite system that provides geolocation and time information to a GPS receiver anywhere on or near the Earth.

Australia

A country in the Southern Hemisphere, comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands, known for its unique biodiversity and vibrant culture.

China

A country located in East Asia, known for being the world's most populous nation and for its significant cultural and economic influence.

European Union

A political and economic union of 27 European countries that are located primarily in Europe, aimed at facilitating free trade and common policies.