science concept mastery

What kind of lens does the human eye have?

• concave

• convex

• can be both concave and convex depending on the incident light

• neither concave or convex

A white sheet of paper will not act as a mirror because it _______ rays of light

• diffracts

• diffuses

• interferes

• refracts

what kind of mirror is used in automobiles to allow drivers to see a wider area and a smaller image of the traffic behind them?

• concave mirror

• convex mirror

• plane mirror

• regular mirror

the image formed by a plane mirror is always

• upright and laterally inversed

• inverted and laterally inversed

• upright but not laterally inversed

• inverted but not laterally inversed

when light rays parallel to the principal axis of a concave mirror are reflected, they pass through ___

• the principal focus

• the center of curvature

• any point on the axis between the principal focus and the mirror

• any point on the axis between the center of curvature and the principal focus

any of the following produces a real image, except?

• a magnifying glass

• a motion picture camera

• the human eye

• a pinhole camera

the image of an object is normally formed on the _____ of the eye

• aqueous humor

• cornea

• retina

• vitreous humor

which part of the human eye has the similar function as the film of a camera

• cornea

• eyelid

• iris

• retina

an object is located between the secondary focus and the optical center of a convex lens. The image formed is ______ than the object

• inverted, real, larger

• inverted, real, smaller

• upright, virtual, larger

• upright, virtual, smaller

the principle involved in the image formation in lenses is

• reflection

• diffusion

• refraction

• magnification