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- 1. Multiple Choice
The unit of measuring luminous intensity
lumens
candela
lux
- 2. Multiple Choice
A material that can transmit light waves.
opaque
transparent
translucent
- 3. Multiple Choice
The bending of light as it travels from one medium to another medium of different densities.
reflection
refraction
interference
diffraction
- 4. Multiple Choice
The spreading of light as it enters the opening of a barrier.
reflection
refraction
interference
diffraction
- 5. Multiple Choice
The process of separating the colors of white light using a prism.
reflection
interference
dispersion
diffraction
- 6. Multiple Choice
The third color of white light if they are arranged from longest to shortest wavelength.
blue
green
yellow
indigo
- 7. Multiple Choice
The third color of white light if they are arranged from shortest to longest wavelength.
yellow
blue
green
orange
- 8. Multiple Choice
The resulting color of light when blue is mix with green.
magenta
yellow
cyan
orange
- 9. Multiple Choice
The turning back of light upon hitting a barrier or an obstacle.
refraction
diffraction
reflection
interference
- 10. Multiple Choice
The color of an object is the color/s of white light being ________________by the object.
absorbed
reflected
transmitted
- 11. Multiple Choice
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
- 12. Multiple Choice
Which of the following is an example of an illuminated object?
moon
light bulb
fireflies
stars
- 13. Multiple Choice
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.
- 14. Multiple Choice
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
- 15. Multiple Choice
What causes refraction?
bending
displacement of images
different wave speed
diffused reflection
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