The Moon Is Observed Using a Telescope That Has an Objective

question 64

Multiple Choice

The moon is observed using a telescope that has an objective lens with a focal length of 3.0 m and an eyepiece with a focal length of 6.0 cm.What is the angular diameter of the moon if the earth-moon distance is 3.85 × 10⁸ m and the diameter of the moon is 3.48 × 10⁶ m?

• A)0.36 rad
• B)0.45 rad
• C)0.72 rad
• D)0.90 rad
• E)1.4 rad

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Definitions:

Average Total Cost

The total cost of production divided by the quantity produced, representing the per-unit cost of production.

Pure Monopolist

A single supplier in a market, with no close substitutes for its product, giving it significant control over prices.

Maximum Profit

The highest level of profit attainable when total revenue is maximized and total costs are minimized under given market conditions.

Natural Monopoly

A type of monopoly that occurs when a single firm can supply a market with a good or service more efficiently and at a lower cost than could be achieved by multiple competing firms, due to economies of scale.