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WorksheetsLight and Optics
Total questions: 35
Worksheet time: 22mins
Name
Class
Date
1.
Light is considered to be
a)
electromagnetic waves
b)
particles
c)
transverse waves
d)
all of the above
2.
When all 3 primary pigment colors are mixed which color is produced?
a)
black
b)
magenta
c)
white
d)
cyan
3.
Speed of light in a vacuum is
a)
represented by the symbol "c"
b)
3.00 X108 m/s
c)
both answers are correct
4.
correct order of colors on a prisim
(top to bottom)
(top to bottom)
a)
ROYGBIV
b)
VIBGYOR
c)
YGBIVOR
d)
ajhfkjwa
5.
Which wave in the diagram has the greatest frequency?
a)
1
b)
2
c)
3
d)
4
6.
When a wave strikes and object and bounces off. (example echo)
a)
medium
b)
refraction
c)
reflection
d)
interference
7.
When a wave bends as it passes through at an angle from one medium to another.(example: pencil in a glass of water-)
a)
medium
b)
refraction
c)
reflection
d)
interference
8.
A wave carries...?
a)
energy only
b)
matter only
c)
the matter carries the energy
d)
neither
9.
If a star is being observed from Earth and it's light has shifted towards the blue side of the electromagnetic spectrum it would be...
a)
Moving towards the Earth
b)
Moving away from the Earth
c)
This is a trick question that cannot be answered
d)
It isn't a star, it is a very large blueberry.
10.
According to the Law of reflection, a light ray striking a mirror
a)
continues moving through the mirror in the same direction
b)
moves into the mirror at a slightly different angle
c)
bounces off the mirror toward the direction it came from
d)
bounces off the mirror at the same angle it hits.
11.
The point where the rays meet is known as....
a)
Fire
b)
the focal point
c)
refraction
d)
Plane of the lens
12.
The following is a picture of what type of mirror?
a)
Convex Mirror
b)
Concave Mirror
c)
Plane Mirror
d)
Flat Mirror
13.
The following is a picture of what type of mirror?
a)
Convex Mirror
b)
Concave Mirror
c)
Plane Mirror
d)
Flat Mirror
14.
Which lens represents the path light takes through a diverging lens?
a)
b)
c)
d)
15.
Which figure represents the path light takes through a converging lens?
a)
b)
c)
d)
16.
The pencil in the glass of water appears bent due to ....
a)
reflection
b)
refraction
c)
mirrors
d)
focal point
17.
The primary colors of light are
a)
red, yellow and blue
b)
yellow, cyan and magenta
c)
red, green and blue
d)
red, orange, yellow, green, blue , and violet
18.
This is an example of a __________ mirror.
a)
Concave
b)
Convex
c)
Plane
d)
Magnifying
19.
_____ is a lens that is thicker in the middle and converges light rays creating a real image.
a)
A prism
b)
A convex lens
c)
A concave lens
d)
A mirror
20.
______ is a lens that is thicker on its edges, diverges light and makes ______________ images
a)
A plane lens / virtual
b)
A convex lens / real
c)
A concave lens / virtual
d)
A prism / real
21.
Diamonds, as well as Fiber Optic cables, are able to redirect light through themselves and out at a specific point. This is possible due to...
a)
Diffusion
b)
Total Internal Reflection
c)
Total Internal Refraction
d)
Dispersion
22.
_________ can separate light into its component wavelengths.
a)
A prism
b)
A mirror
c)
A star
d)
A black hole
23.
True or False: Every element has its own unique emission spectrum.
a)
True
b)
False
24.
This is the _____ for helium.
a)
emission spectrum
b)
absorption spectrum
c)
continuous spectrum
d)
black body spectrum
25.
Which of the following is not a primary color of light?
a)
Red
b)
Yellow
c)
Green
d)
Blue
26.
There are two polarized lenses in most 3D glasses
a)
False
b)
True
27.
What are types lenses make 3D glasses?
a)
Two Horizontal Polarized
b)
Two Vertical Polarized
c)
One Horizontal Polarized
&
One Vertical Polarized
&
One Vertical Polarized
28.
A magenta object is green light appears
a)
Green
b)
Magenta
c)
Red
d)
Black
29.
Youngs double slit relies on the _______ of light.
a)
dampening
b)
interference
c)
refraction
d)
reflection
30.
Which color has the least amount of energy?
a)
red
b)
orange
c)
green
d)
blue
31.
The wave-particle duality of light describes light as...
a)
a wave only
b)
a particle only
c)
both a wave and a particle
d)
neither a wave nor a particle
32.
The energy of electromagnetic waves comes in pulses called...
a)
atoms.
b)
electrons.
c)
pulsars.
d)
photons.
33.
When two waves combine to form a new wave with a larger amplitude, it is called
a)
Diffraction
b)
Destructive Interference
c)
Resonance
d)
Constructive Interference
34.
What is the energy stored by a mass of 1.5 Kg?
a)
1.35 x 109 J
b)
1.35 MeV
c)
1.35 x 1017 J
d)
1.35 x 1017 MeV
35.
An image that is inverted and can be projected onto a screen is called...
a)
a real image
b)
a virtual image
c)
an imaginary image
d)
a mirage
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