1. The diagram below shows straight wave fronts passing through an opening in a barrier.
2. The diagram below shows two sources, A and B, vibrating in phase in the same
uniform medium and producing circular wave fronts.
Questions 3 and 4 : A wave generator located 4.0 m from a reflecting wall produces a standing wave in a string.
5. The diagram below shows two pulses, each of length l, traveling toward each other
at equal speed in a rope.
6. The diagram below shows two sources generating waves in a ripple tank.
7. Maximum desctructive
interference occurs when the phase difference between two waves is
0o
90o
180o
270o
10. Maximum constructive
interference between two waves of the same frequency could occur when their
phase
difference is one wavelength
phase
difference is 1/2 wavelength
phase
difference is 3/2 wavelength
phase
difference is 1/4 wavelength
11. What is the straight-line
distance between nodes in a standing wave ?
one
wavelength
two
wavelengths
1/2
wavelength
1/4
wavelength
12. In a ripple tank, as the
frequency of the wave source increases, the amount of diffraction observed
decreases
increases
remains
the same
13. Light from the star Betelgeuse displays a Doppler red shift. This shift is best explained by assuming that
Betelgeuse is
decreasing in temperature
increasing in temperature
moving toward Earth
moving away from Earth
14. The diagram below shows an antenna emitting an electromagnetic wave.
15. Which diagram best represents light emitted from a coherent light source ?
16. In a vacuum, all electromagnetic waves have the same
wavelength
frequency
speed
amplitude
17. Compared to the wavelength of red light, the wavelength of yellow light is
shorter
longer
the same
18. Which of the following
colors has the lowest frequency ?
red
yellow
blue
violet
19. A monochromatic beam of light has a frequency of 6.5 x 1014 Hz. What color is the light ?
yellow
orange
violet
blue
20. What is the wavelength of X-rays with a frequency of 1.5 x 1018 Hz traveling in a vacuum ?
4.5 x 1026 m
2.0 x 10-10 m
5.0 x 10-10 m
5.0 x 109 m
21. Which of the following forms
of electromagnetic energy has the highest frequency ?
radio
ultraviolet
infrared
visible
light
22. In a double-slit
experiment, which color will produce the largest distance between maxima ?
red
yellow
blue
violet
23. Which phenomenon can occur with light, but not with sound ?
interference
polarization
refraction
the Doppler effect
24. The fact that light can be
polarized lead to the conclusion that light is a
particle
compressional
wave
torsional
wave
transverse
wave
25. Sound waves cannot be
refracted
diffracted
reflected
polarized
26. The phenomenon observed in
a double-slit experiment are caused by
reflection
and refraction
reflection
and polarization
diffraction
and interference
diffraction
and polarization
27. Which characterizes a
polarized wave ?
vibrating
in all directions
vibrating
at random
vibrating
in one plane
vibrating
in circles
28. If you shine laser light at a penny and project the image on the wall, you will notice a bright spot
directly behind the penny. This can be explained by assuming that the light waves experienced
diffraction only
interference only
diffraction and interference
refraction only