Worksheetsrefraction
Total questions: 25
Worksheet time: 22mins
flint glass n=1.70
barium glass n=1.60
crown glass n=1.523
water n=1.33
diamond n=2.45
Light travels through air, water, glass and many other materials. What path does it travel to get from one place to another?
sideways
back and forth
straight
up and down
When light goes from one material(medium) to another it becomes bent, what term means bent?
reflected
refracted
absorbed
turned
Why does the straw appear to be bent?
light is reflected
light is absorbed
light is turned
light is refracted
When light passes from air to water, what happens to the speed of the light?
speeds up
slows down
stays the same
What do we call a material that light can travel through?
air
water
medium
pathway
What type of lens is wider in the middle than on the edges?
Concave
Convex
Objective
Ocular
What type of lens is thinner in the middle than at the edges?
Convex
Concave
Objective
Magnifying
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
The angle of the incoming rays of light are also called the.....
Angle of reflection
Angle of refraction
Angle of incidence
Wave angle
What is the speed of light in water of refractive index 1.33?
3.0×108m/s
2.0×108m/s
2.3×108m/s
3.9×108m/s
Which of the following is a correct representation of snell's law?
n1sinθ2=n2sinθ1
n1sinθ1=n2sinθ2
n2sinθ1=n1sinθ2
n1/sinθ1=n2/sinθ2
