Waves Worksheet. Use Your Text And Other Handouts To .
Waves worksheet. Use your text and other handouts to answer the questions.Question 1: The chart below shows the range of hearing of various mammals:Use the chart and a value for the speed of sound of 340 ms-1 to answer the following questions:(a) Which animal can hear sounds of the lowest pitch?(b) Which animal can hear the greatest range of frequencies?(c) Could an ultrasonic whistle that was inaudible to humans be heard by dogs? Explain your answer.(d) Showing your working, find the wavelength corresponding to the lowest pitch audible to beluga whales.(e) Calculate the period of the fastest vibration of a source of sound that can be heard by humans.
Question 3: This question refers to the illustration below:Below is a chart representing the electromagnetic spectrum:Identify each part of the spectrum and match each part with one of the businesses shown on the diagram ofWavestown:#1234567PART OF THE SPECTRUMBUSINESS
1Name parts A–F of the electromagnetic spectrum shown in the figure below.2A.B.C.D.E.F.Complete the following sentences.a) A sunbed gives out .b) Every object gives out .c) Pictures of broken bones in the body are made using .d) All electromagnetic waves in space travel at the same .e) An electromagnetic wave consists of electric and disturbances thattravel from one place to fthewaveis30cm\s,whatisthefrequencyofthewave?
clapofthunder,howfarawayisthestorm?(1mark)1.In the diagram below A and B are two radio navigation beacons. They both transmit at 1.5 MHz. Thewaves from both A and B have the same amplitude and they are in phase with each other. A ship is atpoint X, 1600 m away from each beacon.A1600mYX0m160B(i)Calculate the wavelength of the radio waves. (The speed of radio waves is3 108 m/s.).(3)(ii)Calculate the number of wavelengths which is equal to the distance between A and X.(1)
2.Radio waves, ultra-violet, visible light and X-rays are all types of electromagnetic radiation.(a)Choose wavelengths from the list below to complete the table.3 10–8 m 1 10–11 m5 10–7 mTYPE OF RADIATION1500 mWAVELENGTH (m)Radio wavesUltra-violetVisible lightX-rays(b)Microwaves are another type of electromagnetic radiation. Calculate the frequency of microwavesof wavelength 3 cm. (The velocity of electromagnetic waves is 3 108 m/s.).(c)3.Which type of electromagnetic radiation is used:(i)to send information to and from satellites;.(ii)in sunbeds;.(iii)to kill harmful bacteria in foods?.(3)The diagram shows the electromagnetic spectrum.Gamma rays(a)(b)X-raysUltra violetVisible lightInfra redMicrowavesRadioName the type of electromagnetic radiation which is used:(i)to prevent fresh food going bad quickly.(ii)to heat passengers’ meals in an aeroplane.(2)(i)State one use of X-rays.(1)(ii)State one use of ultra violet radiation.(1)(c)Longer wavelength radio waves are used for communications over very long distances withoutusing satellites. Explain why this is possible.(3)
Waves worksheet. Use your text and other handouts to answer the questions. Question 1: The chart below shows the range of hearing of various mammals: Use the chart and a value for the speed of sound of 340 ms-1 to answer the following questions: (a) Which animal can hear sounds of the lowest pitch?
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electromagnetic waves, like radio waves, microwaves, light, and x-rays are examples of transverse waves. Longitudinal waves travel through a medium in a direction parallel to the direction of travel of the wave. Mechanical waves such as sound waves, seismic waves created by earthquakes, and explosions are all examples of longitudinal waves.
Q: What are mechanical waves? A: Waves that require a medium in which to travel. A medium is the _ that waves travel through o Mediums can be solid, liquid, or gas Examples of mechanical waves include sound waves, seismic waves, ocean waves, etc Q: Describe two types of mechanical waves.
College physics Semester 2 Unit 2 What is a wave? How do they act? How are do waves differ? 1/29 Pre-test Waves on a String. Notes: Introduction to Waves . Lab: Waves on a String Activity (PhET) Do: read 12.3 p457 (1,3,5) 1/30 Clicker questions: Waves on a String. Lab: Fourier-Making Waves part 1 (PhET) 2/1 Lab: Fourier-Making Waves part 2 (PhET)
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