WorksheetsRefraction & Lenses
Total questions: 12
Worksheet time: 24mins
What is refraction?
The bouncing of light when it travels from one material into another.
The bending of sound when it travels from one material into another.
The bending of light when it travels from one material into another.
The bouncing of sound when it travels from one material into another.
The '?' is referring to the...
Inscident ray
Sting ray
Independant ray
Incident ray
When light passes from air into glass it:
Becomes faster
Becomes slower
Its speed does not change
Birds need to take REFRACTION into account when diving for fish in water because it makes the fish appear:
Invisible
Deeper than they are in reality
Bent
Shallower than they are in reality
When a laser beam is refracted as it passes from air into water, it is bent:
Towards the abnormal
Away from the normal
Away from the abnormal
Towards the normal
When a laser beam is refracted as it passes from glass to water, it is bent:
Towards the normal
Towards the abnormal
Away from the normal
Away from the abnormal
Light rays which are hitting different parts of a particular lens' surface either: (choose two)
diverse
diverge
converse
converge
All of the light rays hitting the surface of a lens are refracted by the same amount:
True
False
Concave lenses cause light rays to:
diverge
converge
If a beetle is located five focal lengths away from a magnifying glass, the image produced will be both:
bigger & the right way up
bigger & upside down
smaller & upside down
smaller & the right way up
A lens that is curved outwards and is thicker in the middle is called a:
concave lens
convex lens
The focal length of a lens is the distance between the lens': (choose 2)
centre
divergence
convergence
focal point
