A Star Has Absolute Luminosity Equal to That of the Sun

question 3

Multiple Choice

A star has absolute luminosity equal to that of the Sun (1.5 × 10⁸ km from the Earth) but is 10 pc away from the Earth. By what factor will it appear dimmer than the Sun?

• A)2 × 10^-9
• B)2 × 10^-11
• C)2 × 10^-13
• D)2 × 10^-15
• E)2 × 10^-17

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Definitions:

Personal Selling Process

A direct face-to-face marketing approach where salespeople use personal interaction to persuade potential buyers to purchase a product or service.

Preapproach Stage

The phase in the sales process where a salesperson researches and prepares strategies for engaging potential customers before direct contact occurs.

International Selling

The practice of selling products or services beyond one's own country.

Customs

Established and traditional practices of a particular society, culture, or organization.