Rags to Riches!!.

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Presentation transcript:

Rags to Riches!!

Question 1 We have studied two types of waves. Which wave’s motion can be illustrated by a rope? TRANSVERSE WAVE

Question 2 A sound wave begins with a VIBRATION

Question 3 What do we call “a disturbance that travels through a medium as a longitudinal wave”? VIBRATION

Question 4 What do we call “the material through which a wave travels”? MEDIUM

Question 5 Which of the following can NOT act as a medium? Gases Empty space Solids liquids

Question 6 A reflected sound wave is called a(n): Elasticity Density Echo Disturbance

Question 7 What do we call waves which “move the medium at right angles to the direction in which the waves travel””? TRANSVERSE WAVE

Question 8 Give an example of “a wave that can travel without a medium”? LIGHT WAVE

Question 9 Sound is an example of which type of wave? LONGITUDINAL WAVE

Question 10 The speed of sound depends on all of the following properties of the medium EXCEPT: Temperature Elasticity Density Loudness

Question 11 The interaction of sound waves is called? INTERFERENCE

Question 12 Headphones use DESTRUCTIVE INTERFERENCE to minimize noise from outside environment.

Question 13 Some of a wave’s energy is always being dissipated as heat. In time, this will reduce the wave’s: Frequency Wavelength Speed Period Amplitude

Question 14 When two or more waves are at the same place at the same time, the resulting effect is called: A standing wave A Doppler effect A shock wave Interference A period

Question 15 What are the units for: Frequency= Hz Wavelength = m Time Period= s Loudness= dB Amplitude= m

State whether the following are true or false: Wavelength and frequency are directly related. F Loudness is a measure of intensity of the sound. T Mass has an impact on the time period of a swinging pendulum. F The cracking of a wine glass in a Oprah singer’s show is due to Doppler’s effect. F Amplitude of a longitudinal wave is a measure of the horizontal distance of vibrating particles from their resting position. T Destructive interference has an additive affect. F Echolocation can be done to locate objects by releasing infrasonic waves. F Tacoma Narrows Bridge breakdown is an example of damping. F Antinodes are points of maximum amplitude. T Beats are an application of interference. T A SHM is represented by a cosine. F