You just graduated as an optometrist. During your first day in office someone asks you "What is Nearsightedness usually correlated to?" a. spherical lenses.
b. converging lenses.
c. diverging lenses.
d. cylindrical lenses.
e. achromatic lenses.

Tungsten-filament lightbulb emits light based on the temperature of the filament. which phenomenon does this demonstrate?

Which is the best for showing percentages of different types of cars sold(gas hybrid , electric , other ) in the united states ?

1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? yourunits 3. a clothes dryer uses about 2 amps of current from a 240 volt line. how much power does it use? yourunits 4.