Many Physical Quantities Are Connected by Inverse Square Laws,that Is,by

question 49

Multiple Choice

Many physical quantities are connected by inverse square laws,that is,by power functions of the form . In particular,the illumination of an object by a light source is inversely proportional to the square of the distance from the source.Suppose that after dark you are in a room with just one lamp and you are trying to read a book.The light is too dim and so you move the distance to the lamp.How much brighter is the light?

• A) times
• B) times
• C) times
• D) times

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