You have a lamp with a three-way light bulb. You can use the light at 50 watts, 100 watts, or 150 watts. When you change between settings, which of the following changes will be perceived as a larger increase in brightness?
A) from 50 to 100 watts
B) from 100 to 150 watts
C) both changes will result in an equivalent difference
D) it would depend on whether there is any additional light present in the room
Correct Answer:
Verified
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