I Take Two Pictures of My Dog Kaycee

question 7

Multiple Choice

I take two pictures of my dog Kaycee.I use the same film and level of illumination for both pictures,but I halve the f-number for the second picture.By what factor will the required time of exposure change if the film is to receive the same total light energy?

• A) 4.0
• B) 0.50
• C) 2.0
• D) 0.25

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Definitions:

Disparity

The existence of inequalities or differences between groups, regions, or countries, often in terms of economic, social, or health outcomes.

Transitory Income

Income that is temporary or not expected to continue at the same level in future periods, such as one-time bonuses or inheritances.

Permanent Income

A theory suggesting that people's spending choices are better determined by their long-term average income rather than their current income.

Purchasing Decisions

The choice process by consumers or organizations regarding the identification, comparison, and selection of products or services.