Vision Crash Course Quiz

What do optical illusions primarily exploit?

• The mechanics of sound

• The structure of the human eye

• The color spectrum of visible light

• The gap between sensation and perception

What percentage of sensory receptors are located in the eyes?

• Around 30%

• About 50%

• Nearly 70%

• More than 80%

Tags

NGSS.MS-LS1-8

What determines the hue of light?

• Its wavelength

• Its frequency

• Its intensity

• Its amplitude

Tags

NGSS.HS-PS4-1

What does the amplitude of a light wave relate to?

• Its hue

• Its brightness

• Its frequency

• Its speed

Tags

NGSS.MS-PS4-1

How is the visible light spectrum a part of the electromagnetic spectrum?

• It includes all forms of electromagnetic radiation

• It is the only part that can be seen by humans

• It is a small portion that includes gamma and X-rays

• It ranges from radio waves to gamma rays

What is the diameter of an adult human eyeball?

• 2.5 centimeters

• 1.5 centimeters

• 3.5 centimeters

• 2.0 centimeters

What is the function of the cornea?

• To adjust the eye's focus

• To protect the eye from dust

• To focus light onto the retina

• To let light into the eye

What role do the eyebrows play in eye protection?

• They detect changes in light intensity

• They keep sweat away from the eyes

• They adjust the amount of light entering the eye

• They focus light onto the retina

What happens when light hits the lens of the eye?

• It changes the light's color

• It focuses the light onto the retina

• It is absorbed by the retina

• It is reflected back out

What is the role of the pupil in the eye?

• To adjust the eye's focus

• To let light into the eye

• To protect the eye from dust

• To focus light onto the retina