How Much Time Does It Take a Beam of Light

question 56

Multiple Choice

How much time does it take a beam of light to travel 2.9 km through space? (c = 3.0 × 10⁸ m/s)

• A)9.7 s
• B)9.7 ms
• C)9.7 μs
• D)9.7 ns
• E)9.7 ps

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Definitions:

Short Run

A period in economics during which at least one input, such as plant size, is fixed and cannot be changed.

Firm's Output

The total quantity of goods or services produced by a company or business within a specific period.

Short Run

A period in economic analysis where at least one factor of production is fixed, limiting the immediate ability of businesses to adjust to market changes.

Firm's Output

The total quantity of goods and services produced by a company during a specific period.