10.3.5 Practice: Waves Practice
Physics I
Date:
Question 1 (7 points)
a. Draw a transverse wave and label the following properties: crest, trough,
amplitude, and wavelength. Then draw a longitudinal wave and label
...
10.3.5 Practice: Waves Practice
Physics I
Date:
Question 1 (7 points)
a. Draw a transverse wave and label the following properties: crest, trough,
amplitude, and wavelength. Then draw a longitudinal wave and label the
following properties: compression, rarefaction, and wavelength. (3 points)
b. What is the equation for the speed of a wave? Identify each variable. (1
point)
c. Fill in the blanks in the following paragraph to correctly describe the behavior
of waves. (1 point)
A wave is a(n) _ that carries ___ through
space. Some waves travel through empty space. Other waves must travel through
a material, also known as a __ Waves transfer energy but
not __
d. Match each term to its correct description. (1 point)
A. Refraction
B. Diffraction
C. Reflection
D. Constructive interference
E. Destructive interference
The superimposition of waves to create a wave with a larger amplitude
The superimposition of waves to create a wave with a smaller amplitude
The bending of a wave as it enters a different medium
The bending of a wave around an obstacle
The bouncing of a wave off a surface
e. Give examples of refraction, diffraction, and reflection. (1 point)
Question 2 (4 points)
a. What property of sound waves is related to pitch? (1 point)
b. What property of sound waves is related to volume? (1 point)
c. What is the Doppler effect? What causes it? (1 point)
d. Describe the relative speeds of sound in the different states of matter. (1
point)
Question 3 (3 points)
a. What are two equations for the energy of light? Identify each variable. (1 point)
b. White light is made up of all colors. If white light shines on an orange,
which colors will be reflected and which will be absorbed? (1 point)
c. Identify the correct order of the parts of the electromagnetic spectrum by
placing numbers in the table. (1 point)
From
shortest to
longest
wavelength
From lowest
to highest
frequency
Ultraviolet radiation
Radio waves
Visible light
Infrared radiation
X-rays
Microwaves
Gamma rays
Question 4 (2 points)
a. What is the equation used to find the angle of refraction? Identify each
variable. (1 point)
b. A light wave moves from diamond (n = 2.4) into water (n = 1.33) at an angle
of 24°. What angle does it have in water? (1 point)
₂
Question 5 (4 points)
a. Fill in the blanks in the following paragraph to identify the properties of mirrors
and lenses. (1 point)
Lenses produce images through _ _____________, but mirrors produce
images through _ A __ _____________ mirror and a
___ ____________ lens focus light at a point. A ___
mirror and a ___ ____________ lens spread light apart.
b. Compare the signs of ƒ for lenses and mirrors. (1 point)
c. What kind of image is formed when the image distance is positive? What
kind of image is formed when the image distance is negative? (1 point)
d. Complete the table to review what the sign and value of the magnification
tell about the size and orientation of the image formed. (1 point)
Magnification (m)
Larger or
smaller
image?
Upright or
inverted
image?
Question 6 (5 points)
a. Describe the three rays that are used to locate images formed by mirrors. (1
point)
b. Describe the three rays that are used to locate images formed by lenses. (1
point)
c. What is the equation used to find the image distance? Identify each
variable. (1 point)
d. An object is located 25.0 cm from a convex mirror. The image distance is –
50.0 cm. What is the magnification? (1 point)
e. Compare nearsightedness and farsightedness with respect to the
symptoms and the lenses used to correct them. (1 point)
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