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Questions and Answers
What was the purpose of the radar measurements conducted by the U.S. Naval Research Laboratory in 1957?
What was the purpose of the radar measurements conducted by the U.S. Naval Research Laboratory in 1957?
- To determine the distance from the Earth to the sun
- To observe the orbits of Jupiter's nearest moon
- To measure the speed of light
- To measure the distance from the Earth to the moon (correct)
What did Ole Roemer observe in the 1600s that led him to estimate the speed of light?
What did Ole Roemer observe in the 1600s that led him to estimate the speed of light?
- The time it takes light to travel between California mountains
- The distance from the Earth to the moon
- The orbits of Jupiter's nearest moon (correct)
- The speed of electromagnetic radiation from the sun
What was Albert Michelson's contribution to the study of the speed of light?
What was Albert Michelson's contribution to the study of the speed of light?
- He accurately measured the speed of light (correct)
- He measured the speed of electromagnetic radiation from the sun
- He observed the orbits of Jupiter's nearest moon
- He measured the distance from the Earth to the moon
What is the wavelength of radio waves broadcasted by 780 AM?
What is the wavelength of radio waves broadcasted by 780 AM?
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What is the frequency of microwave radiation emitted by a cordless phone?
What is the frequency of microwave radiation emitted by a cordless phone?
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