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Home Q & A Board Science-Related Homework Help Physics
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staedtler staedtler
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7 years ago
Suppose you were far from a planet that had a very strong gravitational field, and a light wave reaches you from a source of hydrogen (H-alpha) light on the surface of the planet. When you observe an H-alpha light source in your own spaceship, the wavelength is 656.3 nm. What wavelength do you see when you look at the light source on the planet?
A)   Shorter than 656.3 nm
B)   Longer than 656.3 nm
C)   Infinite wavelength since the source is in a gravitational field
D)   656.3 nm, the same as from your light source
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
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hyponoticahyponotica
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staedtler Author
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7 years ago
I really appreciate your help!
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