2411365
Beschreibung
Quiz von Olivia Gibbs, aktualisiert more than 1 year ago
|
Erstellt von Olivia Gibbs
vor etwa 10 Jahre
|
|
Frage 1
Frage
When a virtual image is created in a plane mirror
Antworten
-
the image is upright.
-
the image is located behind the mirror.
-
reflected rays diverge.
-
ALL OF THE ABOVE
-
NONE OF THE ABOVE
Frage 2
Frage
An echo occurs when sound
Antworten
-
is transmitted through a surface.
-
is reflected from a distant surface.
-
changes speed when it strikes a distant surface.
-
ALL OF THE ABOVE
-
NONE OF THE ABOVE
Frage 3
Frage
Diffuse reflection occurs when the size of surface irregularities
Antworten
-
larger than 1 m in diameter.
-
large compared to the wavelength of the light used.
-
small compared to the wavelength of the light used.
-
larger than 1 cm in diameter.
-
NONE OF THE ABOVE
Frage 4
Frage
It is difficult to see the roadway from a car on a rainy night because the road surface
Antworten
-
is obscured by the rain itself.
-
that is normally a diffuse reflector when dry becomes a mirror surface when wet.
-
absorbs the light more when wet.
-
scatters light in all directions.
Frage 5
Frage
Refraction is caused by
Antworten
-
different wave speeds.
-
more than one reflection.
-
displaced images.
-
bending.
Frage 6
Frage
You can hear noises a long distance away over water at night because
Antworten
-
of lowered temperature.
-
water conducts sound better at night.
-
sound is reflected off water more efficiently at night.
-
of refraction of sound in air.
Frage 7
Frage
The average speed of light is greatest in
Antworten
-
orange glass.
-
blue glass.
-
red glass.
-
green glass.
-
IT IS THE SAME IN ALL OF THE ABOVE
Frage 8
Frage
A mirage can occur
Antworten
-
when cooler air is above hotter air.
-
when there's a layer of hot air close to the ground.
-
on a hot day.
-
ALL OF THE ABOVE
-
NONE OF THE ABOVE
Frage 9
Frage
The critical angle for a light from the bottom of a swimming pool shining upward toward the pool's surface is the angle
Antworten
-
where light is refracted so it just skims the pool surface.
-
43 degrees.
-
at which all light is refracted out of the pool.
-
42 degrees.
-
at which some light is reflected from the surface.
Frage 10
Frage
A person standing waist-deep in a swimming pool appears to have short legs because of light
Antworten
-
refraction.
-
interference.
-
diffraction.
-
reflection.
-
absorption.
Frage 11
Frage
Different colors of light travel at different speeds in a transparent medium. In a vacuum, different colors of light travel at
Antworten
-
the same speed.
-
different speeds.
Frage 12
Frage
The spectrum produced by a prism or a raindrop is evidence that the average speed of light in the material depends on the light's
Antworten
-
transmission qualities.
-
col.or.
-
wave nature.
-
particle nature.
Frage 13
Frage
The shortest plane mirror in which you can see your entire image
Antworten
-
is half your height.
-
is twice your height.
-
is equal to your height.
-
cannot be determined.
-
depends on how far the mirror is from you.
Frage 14
Frage
A beam of light travels fastest in
Antworten
-
air.
-
water.
-
plastic.
-
glass.
-
ITS AVERAGE SPEED IS THE SAME IN EACH OF THE ABOVE
Frage 15
Frage
Which of the following is a consequence of the refraction of light?
Antworten
-
rainbows
-
mirages
-
internal reflection
-
ALL OF THE ABOVE
-
NONE OF THE ABOVE
Frage 16
Frage
Stars twinkle when seen from Earth at night. When seen from the moon, stars
Antworten
-
twinkle less.
-
twinkle more.
-
don't twinkle.
Frage 17
Frage
In a curved optical fiber, light
Antworten
-
gains energy in each internal reflection.
-
internally reflects in a succession of straight-line paths.
-
bends and follows the curve of the fiber.
-
scatters in random directions from the fiber's inner surface.
Frage 18
Frage
A rainbow nicely illustrates an example of light
Antworten
-
internal reflection.
-
refraction.
-
internal reflection and refraction.
-
neither internally reflecting nor refracting.
Frage 19
Frage
In a double rainbow, the outermost color in the outermost bow is
Antworten
-
blue.
-
green.
-
red.
-
ANY OF THESE AT DIFFERENT TIMES
Frage 20
Frage
A secondary rainbow is dimmer than a primary rainbow because
Antworten
-
only large drops produce secondary rainbows.
-
sunlight reaching it is less intense.
-
there is an extra reflection inside the water drops.
-
it is a reflection of the primary rainbow.
-
NONE OF THE ABOVE
Frage 21
Frage
When seen from an airplane, a rainbow sometimes forms a complete circle. When this happens, the plane's shadow is
Antworten
-
in the center of the rainbow.
-
totally outside the rainbow.
-
in the upper part of the rainbow.
-
nowhere. There is no shadow.
-
in the lower part of the rainbow.
Frage 22
Frage
Ninety percent of light incident on a certain piece of glass passes through it. How much light passes through two pieces of this glass?
Antworten
-
81%
-
85%
-
89%
-
90%
-
80%
Frage 23
Frage
The law of reflection says that all light reaching a boundary between two surfaces is reflected.
Antworten
- True
- False
Frage 24
Frage
When you look at the image of a candle in a plane mirror, you see a real image.
Antworten
- True
- False
Frage 25
Frage
Diffuse reflection occurs when light is reflected in many directions from a rough surface.
Antworten
- True
- False
Frage 26
Frage
Reflection occurs when one pat of a wave travels more slowly than another part.
Antworten
- True
- False
Frage 27
Frage
The critical angle is the angle at which light just grazes the surface of a substance.
Antworten
- True
- False
Frage 28
Frage
Total internal reflection occurs when a light ray hits a surface at an angle greater than the critical angle.
Antworten
- True
- False
Frage 29
Frage
When a wave reaches a boundary between two media, in most cases some of the wave is reflected and some is refracted.
Antworten
- True
- False
Frage 30
Frage
A line that represents the position of a wave crest is called a wave front.
Antworten
- True
- False
0 Kommentare
Möchten Sie mit GoConqr kostenlos Ihre eigenen Quiz erstellen? eigenen Mehr erfahren.