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WorksheetsScience 8 - Optics Review
Total questions: 25
Worksheet time: 50mins
What is the meaning of opaque?
No light is transmitted through a material
Some light is transmitted through the material and some is reflected off
All light is transmitted through the material
What is the meaning of translucent?
No light is transmitted through a material
Some light is transmitted through the material and some is reflected off
All light is transmitted through the material
What is the meaning of transparent?
No light is transmitted through a material
Some light is transmitted through the material and some is reflected off
All light is transmitted through the material
The medical condition of myopia is corrected with
A convex lens
A concave lens
A convex mirror
A concave mirror
What is represented here?
A convex lens
A concave lens
A convex mirror
A concave mirror
Which of the following have the shortest wavelength?
Radio Waves
Microwaves
X-Rays
Gamma Rays
The imaginary line passing through the centre of the mirror in this diagram is called the:
Normal
Ray
Principal Axis
Line
Of the following, which has the longest wavelength?
X-Ray
Radio Wave
Microwave
Ultraviolet
Concave lenses are often called _____ lenses
Reflecting
Converging
Refracting
Diverging
Another term for farsightedness is
Astigmatism
Hyperopia
Myopia
Presbyopia
Which of the following can produce an image smaller than the object?
Convex mirror
Concave lens
Convex lens
All of these
Which of these can only produce an image smaller than the object?
Convex mirror
Plane Mirror
Concave mirror
Opaque Objects
How shiny an object appears depends on...
How smooth it is
How much light it absorbs
How much light is reflected
How much light is refracted
The part of the eye that allows light to enter into the eye is called...
Sclera
Pupil
Retina
Lens
This area is made of rods and cones and is where images are formed in the eye
Vitreous Humour
Pupil
Retina
Iris
This area is made of rods and cones and is where images are formed in the eye
Vitreous Humour
Pupil
Retina
Iris
The image formed in the picture is...
Enlarged and Inverted
Enlarged and Upright
Reduced and Inverted
Reduced and Upright
In order for this object to create that image, it must be
More than 2F (C) from the lens
Between F and 2F (C)
In front of F
No way to tell
Which statement is true if an object is placed in front of a convex mirror
The image is larger
The image isn't distorted
The image is in front of the mirror
The image is behind the mirror
What kind of objects would cause more glare?
Gravel and dirt
Sand and wood
Rubber and wood
Glass and aluminum
The part of the eye that gives the eye its colour is:
Iris
Retina
Pupil
Lens
Any image that seems to be where it isn't (behind a mirror, for example) is called a...
Mirage
Real
Virtual
Normal
A curved material that can reflect light is called a...
Plane Mirror
Convex Mirror
Concave Mirror
All of the above
Based on the order of the rainbow, which light has the longest wavelength and is bent the least?
Blue
Green
Yellow
Red
Share one interesting fact or piece of information that you learned this unit
