Part of the eye which controls the light entering is called
  • lens
  • retina
  • iris
  • cornea
The type of lens in Human eye is
  • Convex
  • Concave
  • Mixture
  • Hybrid
Myopia is corrected by using spectacles made of
  • Concave lens
  • Prism
  • Plane glass
  • Convex lens
a flat sheet of glass that has a smooth, silver-colored coating on one side
  • plane mirror
  • concave mirror
  • convex mirror
  • solid mirror
What does it mean to reflect?
  • bounce off
  • bend
  • refract
  • energy
An image that you can see when you look into a mirror, but does not really exist is called which of the following?
  • Real Image
  • Fake Image
  • Virtual Image
  • Digital Image
The following is a picture of what type of mirror?
  • Convex (diverging) mirror
  • Concave (converging) mirror
  • Plane Mirror
  • Flat Mirror
This is an example of a __________ mirror.
  • Concave
  • Convex
  • Plane
  • Magnifying
Convex mirrors cause light to spread out.
  • True
  • False
A mirror with a flat surface is a plane mirror.
  • true
  • false
What kind of mirror is shown here?
  • plane
  • concave
  • convex
  • diffuse
a mirror with a surface that curves inward like the inside of a bowl
  • concave mirror
  • convex mirror
  • plane mirror
  • flat mirror
Which of the mirrors is used as rear view mirror in vehicles?
  • Concave
  • Convex
  • Plane
Convex Mirrors produce...
  • virtual only
  • real image only
  • virtual and real
  • inverted
in a concave mirror, an incident ray that is parallel to the principal axis...
  • will reflect parallel to the principal axis
  • will reflect through the focal point
  • will reflect through the center of curvature
  • will continue along the same path through the lens.
A real image...
  • is produced by virtual rays and can be projected on a screen
  • is produced by real rays and cannot be projected on a screen
  • is produced by virtual images and cannot be projected on a screen
  • is produced by real rays and can be projected on a screen real image.
Plane mirrors always produce ______
  • real images
  • virtual image
  • blurred image
  • horizontal image
What does the "Law of Reflection" state?
  • The angle the incident ray makes with a line drawn perpendicular to the surface of the mirror.
  • Shows how rays change direction when they strike mirrors and pass through lenses.
  • The angle of incidence is equal to the angle of reflection.
  • None of the above
Concave mirrors will produce _____ image
  • Real and erect
  • Virtual, inverted
  • Real, inverted
  • no images form
What does the word "converging" mean?
  • to separate
  • parallel
  • to come together
  • perpendicular
If the angle of incidence is 60 degrees from the normal line, what is the angle of reflection and the total angle between the incident and reflected ray?
  • Angle of reflection = 30total angle = 90
  • Angle of reflection = 30total angle = 120
  • Angle of reflection = 60total angle = 90
  • Angle of reflection = 60total angle = 120
A light ray that bounces off of the mirror is known as
  • Incident ray
  • Reflected ray
  • Normal line
  • Source ray
Seeing your face in a mirror is an example of ....
  • Refraction
  • Fiber Optics
  • Reflection
  • Absorption
The image formed on the film in a camera and on the retina of your eyes is ____.
  • inverted
  • parallel
  • upright
  • perpendicular
If you are standing 4feet from the plane mirror, the image you see will be ___ feet away from the mirror on the side.
  • 2
  • 4
  • 6
  • 8
A _____ uses large mirrors to bring distant object into closer view.
  • microscope
  • telescope
  • oscilloscope
  • kaleidoscope
A flashlight and the light in a car use a ____ mirror to create a beam light.
  • convex
  • parabolic
  • concave
  • plane
What type of lens is a magnifying glass?
  • Convex
  • Parabolic
  • Concave
  • Plane
The bending of light rays, due to a change in speed as the rays pass through a substance called?
  • Reflection
  • Diffusion
  • Refraction
  • Diffraction
What is the medical word for nearsightedness?
  • Myopia
  • Glaucoma
  • Hyperopia
  • Plybaria
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