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WorksheetsRefraction and power of lenses
Total questions: 20
Worksheet time: 14mins
What type of lens is wider in the middle than on the edges?
Concave
Convex
Objective
Ocular
When light passes through a convex lens, it does this.....
Diverge, or spread apart
Converge, or come together
Reflect, or bounce off
Create a rainbow
The point at which light rays converge after passing through a convex lens is called what.
The Horizon Point
The Point Break
The Focal Point
The Perspective
When light waves move from passing through air to passing through a glass lens when happens to them?
They slow down and change direction
They speed up and change direction
They maintain the same speed and change direction
They maintain their same speed and direction
What type of lens do you have in your eye?
Concave
Prismatic
Objective
Convex
The angle of the incoming rays of light are also called the.....
Angle of reflection
Angle of refraction
Angle of incidence
Wave angle
The distance between a convex lens and its focal point is called what?
The focus
The focal length
The wave length
The amplitude
The thicker the convex lens, the ___________________ its focal length.
Shorter
Longer
Thicker
Thinner
The thicker the convex lens, the ___________________ its focal length.
Shorter
Longer
Thicker
Thinner
As light passes from air into water it ________________________.
speeds up
continues at the same speed
slows down
forms a mirage
Which lens is concave?
a
b
Which lens can produce a real image?
a
b
Which lens always produces an image that is upright?
a
b
Which lens is the type of lens that is used in a hand lens?
a
b
The best definition of refraction is ____.
passing through a boundary
bouncing off a boundary
changing speed at a boundary
changing direction when crossing a boundary
