For a Concave Mirror,when Is the Object Distance Equal to the Image

question 58

Multiple Choice

For a concave mirror,when is the object distance equal to the image distance?

• A)when the magnification is equal to zero
• B)when the focal length is equal to the image distance
• C)when the focal length is equal to half the object distance
• D)when the focal length is zero

---

Definitions:

Adjusting Entries

Entries in accounting journals, made at the termination of an accounting cycle, serve to apportion incomes and outlays to their actual occurrence period.

Unearned Revenue

Money received by an entity for a service not yet performed or a product not yet delivered. It is recorded as a liability until the service or product is delivered.

Net Income

The total profit or loss of a company after all revenues, expenses, and taxes have been accounted for.

Depreciation

The systematic allocation of the cost of a tangible asset over its useful life.