Homework answers / question archive / Question 1 1 / 1 pts Light can be described as a stream of photons or a(n)    illuminant

Question 1 1 / 1 pts Light can be described as a stream of photons or a(n)    illuminant

Psychology

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Question 1

1 / 1 pts

Light can be described as a stream of photons or a(n)

  

illuminant.

   

signal.

   

source.

   

outlet of energy.

   

wave.

 

 

Question 2

1 / 1 pts

Refraction is the

  

redirection of light back toward its source.

  

bending or spreading out of waves as they pass through a medium.

   

bending or spreading out of waves as they pass the edge of an obstacle.

 

passing of light with no interruption.

   

oscillation that travels through a medium.

 

 

Question 3

1 / 1 pts

The vitreous humor is a(n)

  

opaque fluid.

  

gel-like fluid between the lens and retina.

   

circular opening at the center of the iris.

  

watery fluid between the cornea and iris.

   

funny substance.

 

 

Question 4

1 / 1 pts

The light-sensitive membrane at the back of the eye that contains rods and cones is called the

  

lens.

   

pupil.

   

retina.

   

iris.

   

cornea.

 

 

Question 5

1 / 1 pts

The retina

  

contains watery fluid.

   

focuses the image.

  

is the tough outer covering that protects the eye.

  

contains rods and cones.

   

diffracts light.

 

 

Question 7

1 / 1 pts

_______ sense light.

  

Rods and cones

   

Horizontal cells

   

Amacrine cells

   

Ganglion cells

   

Bipolar cells

 

 

Question 8

1 / 1 pts

_______ refers to the distance between the location of a retinal image and the fovea.

  

Signal strength

  

Eccentricity

   

Degradation

   

Circularity

   

Density

 

 

Question 9

1 / 1 pts

Lateral inhibition is the

  

processing of inhibitory cells.

   

antagonistic neural interaction between adjacent regions of the retina.

   

increase in activation caused by nearby regions of the retina.

   

process of inhibiting light from moving.

   

measure of the finest detail that one can resolve.

 

 

Question 10

1 / 1 pts

A neuron will not fire if the stimulus does not activate its

  

central region.

   

action potential.

   

axon.

  

receptive field.

   

photoreceptor.