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Unit 10E Chapater 11 Quiz



Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

Which of the following methods of energy transfer does not require a medium?
a.
conduction
b.
convection
c.
radiation
d.
none of the above
 

 2. 

The first type of electromagnetic waves discovered were
a.
radio waves
b.
ultraviolet light
c.
X-rays
d.
microwaves
 

 3. 

Of the following types of electromagnetic waves, which is the highest-energy?
a.
radio waves
b.
infrared light
c.
X-rays
d.
gamma rays
 

 4. 

A remote control for a DVD player uses what type of electromagnetic wave?
a.
visible light
b.
infrared light
c.
radio waves
d.
gamma waves
 

 5. 

Cellphone communication uses what type of electromagnetic waves?
a.
radio waves
b.
gamma rays
c.
infrared light
d.
ultraviolet light
 

 6. 

Which colour in the visible spectrum has the lowest energy level?
a.
red
b.
orange
c.
green
d.
violet
 

 7. 

An example of a luminous source is a
a.
textbook
b.
tree
c.
light bulb
d.
pencil
 

 8. 

The production of light as a result of high temperature is called
a.
incandescence
b.
phosphorescence
c.
fluorescence
d.
chemiluminescence
 

 9. 

Lit neon signs are an example of
a.
bioluminescence
b.
triboluminescence
c.
electric discharge
d.
incandescence
 

 10. 

When the dial of a wristwatch appears to glow in the dark, it is making use of what process of producing light?
a.
electric discharge
b.
phosphorescence
c.
fluorescence
d.
chemiluminescence
 

 11. 

Which of the following statements is true regarding the use of a light-emitting diode?
a.
Light-emitting diodes require a filament.
b.
Light-emitting diodes require the use of a semiconductor.
c.
Light-emitting diodes produce a large amount of heat as a by-product.
d.
Light-emitting diodes are not as energy efficient as incandescent bulbs.
 

 12. 

When a material does not transmit any incident light, but rather absorbs or reflects it, the material is
a.
transparent
b.
translucent
c.
opaque
d.
all of the above
 

 13. 

Frosted glass is an example of what type of material?
a.
transparent
b.
translucent
c.
opaque
d.
luminous
 

 14. 

The line that is perpendicular to a reflecting mirror surface is called the
a.
principal axis
b.
incident ray
c.
reflected ray
d.
normal
 

 15. 

Which of the following statements is true regarding the laws of reflection?
a.
The angle of incidence is greater than the angle of reflection.
b.
The incident ray, the reflected ray, and the normal lie in three different planes.
c.
The angle of reflection equals the angle of incidence.
d.
The angle of reflection is greater than the angle of incidence.
 

 16. 

The reflection of light off a smooth surface is called a
a.
specular reflection
b.
diffuse reflection
c.
virtual image
d.
lateral inversion
 

 17. 

A convex mirror always produces a
a.
larger, upright, real image
b.
larger, upright, virtual image
c.
smaller, upright, virtual image
d.
smaller, upright, real image
 

 18. 

If an object is beyond the focus point, a concave mirror will produce
a.
an inverted, real image
b.
no clear image
c.
a larger, upright, virtual image
d.
a smaller, upright, virtual image
 

 19. 

An image in a plane mirror is always
a.
smaller than the object
b.
real
c.
larger than the object
d.
laterally inverted
 

 20. 

The point where the principal axis meets the mirror is called the
a.
vertex
b.
centre of curvature
c.
focus
d.
plane
 



 
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