The diagram below shows a pulse in a rope moving to the right. A is a point on the rope.
1. The diagram below shows a pulse in a rope moving to the right. A is a point on the rope.
What is the direction of movement of point A at this moment ?
up down left right
2. The diagram below represents a periodic wave.
Which two points on the wave are in phase ?
A and D A and G C and K D and I
3. In the diagram below, the distance between points A and B on a wave is 5.0 m.
The wavelength of this wave is
1.0 m 2.0 m 5.0 m 4.0 m
4. The diagram below shows a tuning fork vibrating in air. The dots represent air molecules as the wave moves to the right.
Which diagram best represents the direction of motion of the air molecules ?
1 2 3 4
5. A periodic wave that has a
frequency of 5.0 Hz and a speed of 10. m/s has a wavelength of
50. m 2.0 m 0.50 m 0.20 m
6. The frequency of a water
wave is 6.0 Hz. If the wave's wavelength is 2.0 m, then the speed of the wave is
0.33
m/s 2.0
m/s 6.0
m/s12 m/s
7. The maximum displacement of a
particle from its rest position due to wave motion is called
amplitude frequency wavelengthperiod
8. As the amplitude of a wave
increases, the energy transported by the wave
decreases increases remains
the same
9. If the period of a wave is 2.0
s, its frequency is
0.50 Hz 2.0 Hz 4.0 Hz 5.0 Hz
10. In a transverse wave, the
medium vibrates
at right
angles to wave velocity parallel
to wave velocity in a
circle around wave velocity
11. A pulse traveling in a
spring transmits
energy
only mass
only
both
energy and mass neither
energy nor mass
12. A wave X meters long passes
through a medium and has a speed of Y m/s. The frequency of the wave
could be expressed as
Y/X Hz X/Y Hz XY Hz (X +
Y) Hz
13. An observer is in front of
a moving source of waves. Compared to the frequency emitted by the source,
the frequency received by the
observer will be
higher lower the
same
14. What is the phase
difference, in degrees, between a crest and a trough ?
0 90 180 270
15. An opera singer's voice is able to break a thin crystal glass when the singer's voice and the vibrating glass
have the same
frequency speed amplitude wavelength
Which phenomenon is illustrated in question #15 ?
Doppler Effect phase resonance interference
17. An astronomer on Earth studying light coming from a star notes that the observed light frequencies are lower than the
actual emitted frequencies. The astronomer concludes that the distance between the star and Earth is
decreasing increasing unchanging
18. The diagram below shows the path of a wave passing through two media.
When the wave travels from medium A into medium B, its speed
decreases increases remains the same
19. In a ripple tank, waves
travel from deep water into shallow water. The waves will bend
toward
the normal as they slow down toward
the normal as they speed up
away
from the normal as they slow downaway from the normal as they speed up
20. When waves suddenly speed up
as they move from medium A to medium B, angle i will be
less
than angle r greater
than r equal
to angle r
21. Refraction of a wave is
caused by a change in the wave's
amplitude frequency speed phase
22. Which characteristic of a
wave changes as the wave travels across a boundary between two different media ?
frequency period phase speed
23. The diagram below shows parallel rays of light incident on an irregular surface.
Which phenomenon of light is illustrated by the diagram ?
diffraction refraction regular reflection diffuse reflection
24. A light ray is incident on a plane mirror as shown in the diagram below.
Which ray best represents the reflected ray ?
A B C D
25. A ray of light hits a
mirror at an angle of incidence of 30o. What is the angle between the incident
and reflected rays ?
15o 30o 45o 60o
26. A person is standing 5 meters from a plane mirror. The chair in front of the person is 2 meters from the mirror.
What is the distance between the person and the image he observes of the chair ?
7 m 2 m 3 m 10. m
Base your answers to questions 27 and 28 on the diagram below, which represents a light ray traveling from air to Lucite
to medium Y and back into air.
The sine of angle "X" is
0.333 0.500 0.707 0.886
28.Light travels slowest in
air, only Lucite, only medium Y, only air, Lucite, and medium Y
29. The diagram below represents a ray of monochromatic light (f = 5.09 x 1014 Hz) passing from
medium X (n = 1.46) into fused quartz.
Which path will the ray follow in the quartz ?
A B C D
30. A ray of monochromatic light is traveling in flint glass. The ray strikes the flint glass-air interface at an angle
greater than the critical angle for flint glass. Which diagram best represents the path of this light ray ?
(1) (2) (3) (4)
31. A ray of monochromatic light
travels from air into a material whose index of refraction is 1.4. What is the speed of light in this
material ? 2.1 x 108
m/s 3.0 x
108 m/s 1.4 x
108 m/s 2.5 x
108 m/sThe speed of light (f = 5.09 x 1014 Hz) in a transparent medium is 0.75 times its speed in air.
The absolute index of refraction of the material is approximately
0.75 1.3 2,3 4.0 The separating of
polychromatic light into its component frequencies as it passes through a prism is called interference diffraction diffusion dispersion When light enters a medium of
higher refractive index, its velocity decreases increases remains
the same When light enters a medium of
higher refractive index, its frequency decreases increases remains
the same
36. When light enters a medium
of higher refractive index, its wavelength
decreases increases remains
the same
37. In which of the following
media is the speed of light greatest ?
water quartz crown
glass diamond
38. The critical angle is the
angle of incidence for which the angle of refraction is
0o 30o 45o 90o
39. Which color travels fastest
through glass ?
violet blue orange red
40. How long will it take
light to travel a distance of 100. meters through air ?
3.00
x 10-10 s 3.00
x 108 s 3.33
x 10-7 s 3.33
x 107 s
41. A ray of light at an angle
of incidence of 30o in air enters water. What will be the angle of refraction
in the water ?
15o 22o 30o 38o
42. You are reading words from
a piece of paper. This is an example of
regular
reflection diffraction refraction diffuse
reflection