How Many Times Greater Is the Speed of Red Light

question 13

Multiple Choice

How many times greater is the speed of red light (λ = 700 nm) than the speed of violet light (λ = 400 nm) in a vacuum?

• A) 1.75 , the first color of light is faster
• B) 0.57 , the second color of light is faster
• C) 3.00 x 10⁸ , the first color of light is faster
• D) 1.00 , both colors of light have the same speed
• E) 3.00 x 10⁸ , the second color of light is faster

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Definitions:

Overhead Costs

Overhead costs are the indirect expenses associated with running a business that are not directly tied to a specific product or service, including utilities, rent, and management salaries.

Plantwide Overhead Rate

A single overhead absorption rate used throughout an entire factory or plant to allocate overhead costs to production activities.

Machine Hours

A measure of production time, calculated as the total number of hours machines are operated in the production process.

Overhead Assigned

The process of allocating indirect costs, such as utilities or rent, to specific products or departments within a company.