You Wish to Read from a Single Lightbulb in a Lamp

question 14

Multiple Choice

You wish to read from a single lightbulb in a lamp at your desk.In order to get the same brightness on the page from a 25 W bulb as you can from 100 W bulb,how much closer do you need to bring the lamp to your book? Assume that the light bulbs are equally efficient.

• A) 1/2 the distance
• B) 1/8 the distance
• C) 1/4 the distance
• D) 1/16 the distance

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Definitions:

International Law

The law that governs relations among nations. International customs and treaties are generally considered to be two of the most important sources of international law.

Controlling Authority

The legal principle or precedent that must be followed by a court within its jurisdiction.

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Comprehensive reference works containing information on various legal topics, aiming to provide an overview of laws and legal principles.

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A scholarly journal focusing on legal issues, usually run by students at a law school, which publishes articles written by legal professionals and academics.