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WorksheetsChapter 9 Waves, Light, and Sound
Total questions: 28
Worksheet time: 14mins
Name
Class
Date
1.
Thinner in the center that at the edges; virtual image smaller.
a)
Concave Lenses
b)
Lens
c)
Concave Mirror
d)
Convex Lens
2.
A mirror with a surface that curves inward like the inside of a bowl or spoon.
a)
Plane Mirror
b)
Concave Mirror
c)
Concave Lens
d)
Concave Mirror
3.
Thicker at the center than at the edges; real or virtual image - larger or upside down.
a)
Convex Mirror
b)
Concave Lens
c)
Convex Lens
d)
Lens
4.
A mirror with a surface that curves outward - car mirror or outside of spoon. Virtual image smaller than the object.
a)
Plane Mirror
b)
Convex Lens
c)
Convex Mirror
d)
Concave Mirror
5.
When parallel rays of light hit an uneven surface.
a)
Index Of Reflection
b)
Visible Light
c)
Diffuse Reflection
d)
Regular Reflection
6.
The energy that electromagnetic waves transfer through matter or space.
a)
Real Image
b)
Electromagnetic Spectrum
c)
Electromagnetic Wave
d)
Electromagnetic Radiation
7.
The complete range of electromagnetic waves placed in order of increasing frequency.
a)
Electromagnetic Spectrum
b)
Real Image
c)
Electromagnetic Radiation
d)
Electromagnetic Wave
8.
A disturbance that invokes the transfer of electric and magnetic energy.
a)
Electromagnetic Wave
b)
Microwaves
c)
Electromagnetic Radiation
d)
Electromagnetic Spectrum
9.
The point at which rays parallel to the optical axis reflect and meet.
a)
Concave Lens
b)
Real Image
c)
Focal Point
d)
Optical Axis
10.
The number of waves that pass a given point in a certain amount of time.
a)
Frequency
b)
Lens
c)
Wavelength
d)
Rays
11.
Electromagnetic waves with the shortest wavelengths and highest frequencies. They have the greatest amount of energy - so most penetrating.
a)
Infrared Rays
b)
X-Rays
c)
Rays
d)
Gamma Rays
12.
A copy of the object formed by reflected or refracted rays of light.
a)
Lens
b)
Image
c)
Mirage
d)
Rays
13.
A measure of how much a light ray bends when it enters a new medium.
a)
Diffuse Reflection
b)
Regular Reflection
c)
Infrared Rays
d)
Index Of Reflection
14.
Electromagnetic waves with wavelengths shorter than those of microwaves. Higher frequencies so more energy. Heat lamps and incubators.
a)
Infrared Rays
b)
Gamma Rays
c)
Ultraviolet Rays
d)
X-Rays
15.
A curved piece of glass or other transparent material that refracts light.
a)
Rays
b)
Image
c)
Lens
d)
X-Rays
16.
Shorter wavelengths and higher frequencies than radio waves do. Ovens & cellular phone communications.
a)
Mirage
b)
Rays
c)
Radio Waves
d)
Mircrowaves
17.
An image of a distant object caused by refraction of light when the air heats at surface and it's cooler above it.
a)
Image
b)
Rays
c)
Mirage
d)
X-Rays
18.
An imaginary line that divides a mirror in half, much like the equator that divides Earth.
a)
Microwaves
b)
Radio Waves
c)
Focal Point
d)
Optical Axis
19.
A flat sheet of glass that has a smooth, silver - colored coating on one side.
a)
Plane Mirror
b)
Concave Mirror
c)
Mirage
d)
Convex Mirror
20.
Electromagnetic waves with the longest wavelengths and the lowest frequencies. Used in broadcasting.
a)
Microwaves
b)
Real Image
c)
Gamma Rays
d)
Radio Waves
21.
Light waves in a straight line.
a)
Lens
b)
Rays
c)
Mirage
d)
X-Rays
22.
Forms when light rays actually meet; upside down.
a)
Image
b)
Real Image
c)
Mirage
d)
Virtual Image
23.
When parallel rays of light hit a smooth surface.
a)
Index Of Reflection
b)
Regular Reflection
c)
Diffuse Reflection
d)
Real Image
24.
Electromagnetic waves with wavelengths just shorter than those of visible light. Can damage or kill living cells. Can cause skin cancer, but some vitamin D is needed for healthy bones & teeth.
a)
Wavelength
b)
Concave Lens
c)
Infrared Rays
d)
Ultraviolet Rays
25.
An image that forms where light seems to come from; does not really exist.
a)
Image
b)
Virtual Image
c)
Mirage
d)
Real Image
26.
Electromagnetic waves that you can see. Shorter wavelengths and higher frequencies than infrared rays ROYGBIV
a)
Virtual Image
b)
Concave Lens
c)
Focal Point
d)
Visible Light
27.
The distance between the crest of one wave and the crest of the next wave.
a)
Concave Lens
b)
Wavelength
c)
Convex Lens
d)
Lens
28.
Electromagnetic waves with wavelengths just shorter than those of ultraviolet rays. Penetrate most matter can cause cancer; used in industry and hospitals.
a)
Rays
b)
Lens
c)
Mirage
d)
X-Rays
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