WorksheetsFORM 1 SCIENCE LIGHT AND OPTIC
Total questions: 30
Worksheet time: 30mins
Which of the following optical instrument uses plane mirror?
Dispersion of light
Light Refraction (2)
Light Reflection (2)
Primary Colour (3)
Yellow
Red
Blue
Green
Concave mirror
Convex mirror
Convex mirror
Concave mirror
Refraction
Dispersion
Scattering
Reflection
Light Refraction
Which is correct about the colour mixture?
Red + Green = Yellow
Blue + Green = Red
Blue + Red = Purple
Red + Yellow = Magenta
Which is TRUE? (2)
Rainbow forms through scattering of light.
Plane mirror apply the light refraction concept.
Real image is an image that formed on the screen.
Light moves in a straight line and faster than sound.
Light ray that emits on the plane mirror will be ........
dispersed
scattered
refracted
reflected
Light will be reflected when it touch the ______ surface.
big
small
smooth
rough
Light cannot penetrate the _______ object.
transparent
opaque
Which one involves the application of plane mirror?
Light is a form of _______ that travel in a straight line.
energy
resources
unit
matter
During thunder, light in the form of _______ will be seen first before sound is heard.
cloud
rain
light
lightning
Properties of Light. (2)
Sound travels faster than light.
Light travels in a straight line.
Light cannot penetrate opaque surface.
The shadow is formed when light rays are blocked by a transparent object.
Law of Reflection
____, _____ and _______ all lie on the same plane.
incident ray
reflected ray
normal line
angle of incident
angle of reflection
Law of Reflection.
The _____ is equal to the ______.
Angle of incident
angle of reflection
normal line
reflected ray
incident ray
Name theTWO medium where the stick stays in.
glass medium
wood medium
water medium
air medium
For a plane mirror, the image formed is ____.
virtual image
real image
For a plane mirror, the image size is ______ to the size of the object.
equal
not equal
Refraction of light occurs when light travels through two mediums of ______ densities.
same
different
Scattering of Light. (2)
At noon, the sky appears blue because ________.
light is least scattered
all the colours of the white light are scattered away
blue colour is scattered the most
red colour is scattered the most
How do we see the outdoor object?
Light goes from the sun, into our eyes and then onto an object.
Light comes from the sun, bounces off an object and then into our eyes.
How does light behave when hitting yellow shirt?
Yellow is reflected, all other colours are absorbed.
Yellow is absorbed, all other colours are reflected.
real image
virtual image
The type of image formed in the screen by the television.
real image
virtual image
