Optics and Vision Quiz

What is the primary function of a lens in a basic camera?

• To adjust the camera's zoom

• To allow light to pass through and focus it

• To control the camera's power

• To store images

What part of the eye controls the amount of light that enters?

• Retina

• Cornea

• Iris

• Lens

What is hyperopia more commonly known as?

• Nearsightedness

• Astigmatism

• Farsightedness

• Color blindness

How can nearsightedness be corrected?

• Using converging lenses

• Using bifocal lenses

• Using diverging lenses

• Using cylindrical lenses

What type of lens does a simple magnifier use?

• Diverging lens

• Concave lens

• Cylindrical lens

• Converging lens

Who built a telescope that magnified objects thirty times in 1609?

• Galileo Galilei

• Johannes Kepler

• Isaac Newton

• Nicolaus Copernicus

What is the main purpose of a compound microscope?

• To measure the speed of light

• To capture images of stars

• To study objects on a cellular scale

• To magnify distant objects

What term describes the ability of a camera to produce images of points very close together?

• Diffraction

• Refraction

• Resolution

• Magnification