The Sun Has Apparent Brightness $B$ At the Earth, Which Is $1.5 \times 10^{8} \mathrm {~km}$

question 23

Multiple Choice

The sun has apparent brightness $B$ at the earth, which is $1.5 \times 10^{8} \mathrm {~km}$ away. What would be the apparent brightness of the sun at Pluto, which is $6.0 \times 10 ^ { 9 } \mathrm {~km}$ from the sun?

• A) \(0.025 \mathrm {~B}\)
• B) \(0.00063 B\)
• C) \(0.25 B\)
• D) \(0.063 \mathrm {~B}\)

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Definitions:

Category II Code

A supplemental tracking code used in medical billing and coding to measure performance and outcomes for quality of care purposes.

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Professional guidance and support provided to individuals seeking to lose weight, focusing on diet, exercise, and behavioral changes.

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Meeting of two or more physicians or surgeons to evaluate the nature and progress of disease in a particular patient and to establish diagnosis, prognosis, and/or therapy.

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