The Focal Length of the Objective of a Telescope Is

question 12

Multiple Choice

The focal length of the objective of a telescope is 75.0 cm. While the eyepiece has a focal length of 6.00 cm, what is the magnifying power of this telescope?

• A) 0.0800
• B) 0.645
• C) 450
• D) 12.5
• E) 200

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Definitions:

Comparative Advantage

The ability of a country, individual, company, or region to produce a good or offer a service at a lower opportunity cost than competitors.

Capital

Resources made and used by people to produce and distribute goods and services, including buildings, machinery, tools, and equipment.

Investment

Utilization of resources (such as capital, time, or effort) with the expectation of achieving a future return, often through the acquisition of assets or improvement of productivity.

Inefficiency

The state of not achieving maximum productivity; failing to make the best use of time, resources, or energy.