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Total questions: 15
Worksheet time: 32mins
The lens used as a magnifying glass
Convex lens
Concave lens
Plane glass
The lens used in peep holes of a door is
Convex lens
Concave lens
Plane glass
Which of these provides the best explanation for why the pencil appears broken?
The pencil absorbs the light rays that hit it.
Water reflects light rays away from the pencil.
Light rays are bent by the water in the glass.
The surface of the water reflects the light rays.
Which of the following is the best example of an object absorbing light?
A black sweater in the sun.
A clean window in the sun.
A curved mirror in the sun.
A long shadow in the sun.
What makes it possible to see an object when looking through a periscope?
It contains mirrors that reflect the object.
It magnifies small objects so they can be seen.
It absorbs the light rays passing through it.
It separates the light into different colors.
Which of the following is demonstrated when light bounces off of mirrors or shiny surfaces?
Scattering
Refraction
Absorption
Reflection
Adrian is observing a piece of white paper. His eye perceives the paper to be white because his eye is receiving what kind of light?
Light in all the colors of the visible spectrum.
Light mostly at the ultraviolet end of the spectrum.
Light mostly at the infrared end of the spectrum.
Light the paper produces when heated by the Sun.
