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Light Energy
Test Description: Light
Instructions: Answer all questions to get your test result.
1) The shirt looks red because
A
red light is being reflected
B
red light is being absorbed
C
red light in traveling through
D
red light is refracting
2) When the sun shines you cast a shadow because
A
you are translucent
B
you are smart
C
you are opaque
D
you are transparent
3) To reflect light its best to use
A
a translucent material
B
a flat rough surface
C
a flat shiny surface
D
a opaque material
4) White light is
A
all colors of rainbow that we see when absorbed
B
all colors except blue
C
all colors of visible light that we see when reflected or refracted
D
only from a light bulb
5) When light slows down and bends it...
A
reflects
B
bounces
C
refracts
D
transmits
6) An example go how we use refractions is
A
Wearing glasses to focus on things
B
using a magnifying glass to see things up close
C
using a telescope to see distance
D
ALL choices
7) When the arrow changed direction we used what concept
A
Translucent
B
absorption
C
reflection
D
refraction
8) if it makes its own light it is
A
illuminated
B
reflected
C
luminous
D
refracted
9) What is the color black
A
all light being reflected changed to heat energy
B
all light being absorbed changed to heat energy
10) Refraction happens when
A
light travels through one medium to another
B
light absorbs then is reflected
11) A lens that is thick in middle and thin on sides is
A
concave
B
a prism
C
convex
D
glass
12) A packet of energy is called
A
a wave
B
a photon
C
proton
D
electron
13) the angel of incidence in reflection will equal the angle of
A
traction
B
diffraction
C
reflection
D
refraction
14) Translucent materials
A
block all light
B
allow all light to travel through
C
some light can travel through
15) What is the measurement of light wave
A
wavelength
B
frequency
C
feet
D
Light ray
16) Number of waves produced in a given amount of time (how often)
A
frequency
B
wave speed
C
wave length
D
amplitude
17) The amplitude of a wave is..
A
how fast
B
how long the wave is
C
how high the wave is
D
how visible
18) What is different between lens and a mirror
A
A mirror refract
B
the are the same
C
a mirror bends light
D
a mirror reflects light a lens refracts light
19) What are 2 examples of invisible light ?
A
Infrared and Ultrasonic
B
Infrared and UV
C
ultrasonic and UV
D
Full spectrum and UV
20) What waves are the longest
A
Radio
B
UV
C
Infrared
D
Gamma
*select an answer for all questions
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