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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:
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. Ildentify the correct order of the parts of the electromagnetic spectrum by placing numbers in the table. (1 point) From From lowest shortest to | to highest longest frequency wavelength 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) 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 LA mirror and a lens focus light at a point. A mirror and a lens spread light apart. b. Compare the signs of f 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 | Upright or smaller | inverted image? | image? +2.0 -2.0 +0.5 -0.5 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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