Q3 Exam Samples D2
Name ____________________
1. As the frequency of a wave increases, its period
(A) decreases
(C) remains the same
(B) increases
2. Base your answer to the following question on the information
and diagram below. The diagram represents two sound waves
that are produced in air by two tuning forks. The frequency of
wave A is 400 cycles per second.
The period of wave A is
(A) 400 s
(B) 6 s
(C) 1/4 s
(D) 1/400 s
6. The diagram below shows two pulses traveling in opposite
directions through a transmitting medium.
Which diagram best represents the resulting pulse when the
pulses combine at point P?
(A)
(C)
(B)
(D)
7. Two wave sources operating in phase in the same medium
produce the circular wave patterns shown in the diagram below.
The solid lines represent wave crests and the dashed lines
represent wave troughs.
3. A wave which has a frequency of 20.0 cycles per second travels
with a speed of 100. meters per second. What is the wavelength
of this wave?
(A) 0.200 m
(C) 20.0 m
(B) 5.00 m
(D) 2.000 m
4. If the period of a wave is doubled, its wavelength will be
(A) halved
(C) unchanged
(B) doubled
(D) quartered
5. Two pulses in a stretched spring approach P as shown in the
diagram.
Which point is at a position of maximum destructive
interference?
(A) A
(C) C
(B) B
(D) D
8. The diagram below shows the direction of water waves moving
along path XY toward a barrier.
Which diagram best illustrates the appearance of the spring
when each pulse meets at P ?
(A)
(B)
(C)
Which arrow represents the direction of the waves after they
have reflected from the barrier?
(A)
(D)
(B)
Q3_ExamSampsD2
(C)
(D)
9. A light ray is incident upon a
cylindrical reflecting surface as
shown in the diagram at the right.
The ray will most likely be
reflected toward letter
(A) A
(B) B
15. Base your answer to the following question on the diagram
below which represents three transparent media A, B, and C. A
light ray in air is incident on the upper surface of A .
(C) C
(D) D
10. If a ray of light in glass is incident upon an air surface at an angle
greater than the critical angle, the ray will
(A) reflect, only
(B) refract, only
(C) partly refract and partly reflect
(D) partly refract and partly diffract
11. As shown in the diagram below, a beam of light can pass
through the length of a curved glass fiber.
If angle E is 30º and layer A has an index of refraction of 1.50,
the sine of angle F will be closest to
(A) 1.000
(C) 0.333
(B) 0.500
(D) 0.250
16. Base your answer to the following question on the diagram
below which represents a ray of monochromatic yellow light (l =
5.9 × 10–7 meter) incident upon a block of lucite at point A, and
continuing through the lucite to point B.
This phenomenon is possible due to the effect of
(A) dispersion
(C) polarization
(B) internal reflection
(D) diffraction
12. When an opera singer hits a high-pitch note, a glass on the
opposite side of the opera hall shatters. Which statement best
explains this phenomenon?
(A) The frequency of the note and natural vibration frequency
of the glass are equal.
(B) The vibrations of the note are polarized by the shape of the
opera hall.
(C) The amplitude of the note increases before it reaches the
glass.
(D) The singer and glass are separated by an integral number of
wavelengths.
13. Two waves traveling in the same medium interfere to produce a
standing wave. What is the phase difference between the two
waves at a node?
(A) 0°
(C) 180°
(B) 90°
(D) 360°
14. The change in the direction of a wave when it passes obliquely
from one medium to another is called
(A) diffraction
(C) refraction
(B) interference
(D) superposition
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The sine of  is closest to
(A) 0.30
(B) 0.33
(C) 0.58
(D) 0.75
17. If the speed of light in a vacuum is c then the speed of light in a
medium with an index of refraction of 2 will be
(A) c/2
(C) c/4
(B) 2c
(D) 4c
18. When a wave goes from a medium of higher refractive index to
one of lower refractive index, its speed
(A) decreases
(C) remains the same
(B) increases
Base your answers to questions 19 and 20 on the diagram below which
shows the top view of a double-slit barrier. The distance between the
slits d is 1.0 × 10–3 meter. The barrier is illuminated with light whose
wavelength is 6.0 × 10–7 meter. An interference pattern is observed on
the screen.
Base your answers to questions 21 through 23 on the diagram below
which represents wave fronts around a sound source that is moving
with a constant velocity through air. The source produces sound waves
of a constant frequency
19. If point M on the screen is the location of a bright line, the path
difference between AM and BM may be
(A) one wavelength
(C) one-half wavelength
(B) three-quarter wavelength (D) one-quarter wavelength
21. The diagram illustrates
(A) interference
(B) diffraction
20. If light of a longer wavelength is used, distance x will
(A) decrease
(C) remain the same
(B) increase
22. The source is moving toward point
(A) A
(C) C
(B) B
(D) D
(C) reflection
(D) the Doppler effect
23. Compared to the frequency of the waves observed at C, the
frequency of the waves observed at A is
(A) less
(C) the same
(B) greater
Q3_ExamSampsD2
Answer Key
Q3_ExamSampsD2
1.
A
2.
D
3.
B
4.
B
5.
D
6.
D
7.
B
8.
C
9.
C
10.
A
11.
B
12.
A
13.
C
14.
C
15.
C
16.
C
17.
A
18.
B
19.
A
20.
B
21.
D
22.
A
23.
B
Q3_ExamSampsD2