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Home Q & A Board Science-Related Homework Help Physics
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killian killian
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10 years ago
According to the inverse square law of light, how will the apparent brightness of an object change if its distance to us triples?
A) Its apparent brightness will decrease by a factor of 9.
B) Its apparent brightness will increase by a factor of 9.
C) Its apparent brightness will decrease by a factor of 3.
D) Its apparent brightness will increase by a factor of 3.
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Smiling Face with Open Mouth
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padrepadre
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10 years ago
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killian Author
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#2
Silver Member
10 years ago
Thanks sir
Smiling Face with Open Mouth
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#3
9 years ago
Thank you for this info
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