WorksheetsREFRACTION AND LENS
Total questions: 10
Worksheet time: 5mins
In which of the following media will light travel the fastest?
air
diamond
glass
water
Which of the following is a diverging lens?
concave lens
convex lens
eyes
magnifying glass
How will you describe the size of the image formed by a convex lens if the object is located beyond 2F point?
point size
diminished
same size as the object
enlarged
Which of the following eye disorders disables a person to see far objects clearly?
astigmatism
cataract
hyperopia
myopia
Which of the following instruments uses concave lens?
flashlight
human eye lens
magnifying glass
microscope
It refers to the ratio of the speed of light in a vacuum to the speed of light in a medium.
(a)
It is a type of lens that is thicker at the center and thinner at the edges.
(a)
It is an optical instrument that uses two convex lenses to magnify microorganisms.
(a)
It is part of the human eye where the image should be projected.
(a)
It is an eye disorder that can be corrected by a convex lens.
(a)
