Light Bulbs

Logic Level 2

There are 2 rooms. Each room contain 3 light bulbs as well as 3 switches that correspond to the light bulbs in the other room. How many times do you need to enter a room before you can accurately determine which switch corresponds to which light bulb?

Note: Your height is 2 inches (5 centimeters) less than the ceiling's height. This information is useful when solving this problem.

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