Suppose one of the 10-m-diameter Keck Telescopes in Hawaii is trained in San Francisco, 3400 km away. Assuming 550-nm light, and ignoring atmospheric distortion, would it be possible to read newspaper headlines?
Suppose one of the 10-m-diameter Keck Telescopes in Hawaii is trained in San Francisco, 3400 km away. Assuming 550-nm light, and ignoring atmospheric distortion, would it be possible to read newspaper headlines?
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![Suppose one of the 10-m-diameter Keck Telescopes in Hawaii is trained in San Francisco, 3400 km
away. Assuming 550-nm light, and ignoring atmospheric distortion, would it be possible to read
newspaper headlines?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F66dd4ef3-a176-4e7b-b1e9-78992de62e58%2F74708304-9b04-4bff-8e4e-cd6308e7efb0%2Fakglvswe_processed.png&w=3840&q=75)
Transcribed Image Text:Suppose one of the 10-m-diameter Keck Telescopes in Hawaii is trained in San Francisco, 3400 km
away. Assuming 550-nm light, and ignoring atmospheric distortion, would it be possible to read
newspaper headlines?
Expert Solution
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Concept and Principle:
- Optical imaging is affected by the diffraction of light. When imaging small or distant objects there is a fundamental restriction on capturing the details of the object. This is known as the diffraction limit.
- Thus using the diffraction limit we can write the maximum resolution for an optical instrument as,
Here λ is the wavelength and D is the diameter of the aperture.
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