A Lens Forms an Erect Image of a Real Object

question 56

Multiple Choice

A lens forms an erect image of a real object.The image is twice the size of the object and appears to be 40 cm from the lens.Determine the power of the lens in diopters (D) .

• A)There is not sufficient information.
• B)-2.5 D
• C)+2.5 D
• D)+7.5 D
• E)None of these is correct.

---

Definitions:

Deferred Tax Asset

An accounting asset representing the amount of taxes payable in future periods due to deductible temporary differences and carryforwards.

Capital Cost Allowance

A tax deduction in some tax systems for businesses, representing depreciation on capital assets.

Straight-Line Depreciation

A procedure for distributing the expense of a physical asset equally over its operational lifetime on an annual basis.

Implied Value

The value derived from underlying assets, expectations of future benefits, or the value inherent in a financial instrument not directly observable.