Your Name:
When Your Psych Class Meets:
1. According to Weber's Law, if you need 1 more watt of light to notice that a 100 watt light is brighter, you'll need ________ to notice that a 101 watt light is brighter.
a. less than one watt b. one watt c. more than one watt d. 101 watts
Answer:
2. The absolute threshold for sweetness is 1/2 teaspoon of sugar in a gallon of water. If you put 1/2 teaspoon of sugar in 2 gallons of water, will you be able to taste the sugar?
a. yes b. no c. it depends on the kind of sugar d. it depends mostly on the kind of person who mixed in the sugar
3. You wake up. It's noon. You walk out into the bright sunlight. After a while you can see fine. You notice how clear all the colors are. What part of your eye IS NOT being used very much?
a. the optic nerve b. the cornea c. the rods d. the cones
4. What do the iris and pupil do together?