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Total questions: 24
Worksheet time: 20mins
3. Red from the color spectrum has the longest wavelength.
TRUE
FALSE
4. The color violet has the highest energy and frequency.
TRUE
FALSE
13. Dispersion is a phenomenon in which a prism separates white light into its component colors.
TRUE
FALSE
14. Brightness or intensity and colors are special properties of light. These can be observed in different phenomena such as rainbows, red sunset, and blue sky
TRUE
FALSE
An imaginary line that passes through the pole and centre of curvature of a mirror
centre of curvature
principal focus
principal axis
pole of curvature
The unit of measuring luminous intensity
lumens
candela
lux
The bending of light as it travels from one medium to another medium of different densities.
reflection
refraction
interference
diffraction
The spreading of light as it enters the opening of a barrier.
reflection
refraction
interference
diffraction
The process of separating the colors of white light using a prism.
reflection
interference
dispersion
diffraction
The third color of white light if they are arranged from longest to shortest wavelength.
blue
green
yellow
indigo
The resulting color of light when blue is mix with green.
magenta
yellow
cyan
orange
The turning back of light upon hitting a barrier or an obstacle.
refraction
diffraction
reflection
interference
The color of an object is the color/s of white light being ________________by the object.
absorbed
reflected
transmitted
What happens to the speed of light when a pencil placed in a glass of water appears broken at the surface of the water?
it stops
it is decreasing
it is increasing
t does not change
Which of the following is an example of an illuminated object?
moon
light bulb
fireflies
stars
What does the law of reflection say?
The angle of incidence equals the angle of reflection.
All waves incident on a mirror are reflected.
Waves incident on a mirror are partially reflected.
The angle a ray is reflected from a mirror is random.
Which of the following describes the image formed by a plane mirror?
real, upright, same size as the object
real, inverted, and reduced
virtual, upright, & same size as the object
virtual, inverted and enlarged
Imagine that this piece of paper is illuminated with white light and appears red. You see red light because
the paper absorbs red and reflects other visible wavelengths.
the paper emits red light.
the paper reflects red and absorbs other visible wavelengths.
the paper disperses white light
This can only be seen when the sun is to your back and it is raining in front of you.
sundog
rainbow
halo
sun pillar
The band of colors result in the dispersion of white light
color wheel
color spectrum
color coding
colorless
What is the speed of light as it travels through Quartz?
2.05x10^8
2.11x10^7
3.00x10^5
2.05x10^7
Calculate the speed of light as it travels through silicon(infrared).
9.00x10^7
8.57x10^7
8.00x10^7
9.57x10^7
Calculate the speed of light as it travels through ice.
2.25x10^10
2.25x10^7
2.25x10^9
2.25x10^8
What is the speed of light as it travels through ruby?
1.96x10^8
1.94x10^8
1.97x10^8
1.93x10^8
