Hope this helps for Q1 & Q2

https://www.youtube.com/watch?v=c38H6UKt3_

Q1. Explain in own words what transverse waves are. Include examples. Q2. Explain in own words what longitudinal waves are. Include examples.

In the video the string was a medium for our transverse waves and the particles being compressed was the medium for the longitudinal waves. Not all waves require a medium to travel through. Electromagnetic Waves may travel (or propagate) through a medium, but do not require one (they can travel without a medium e.g. through a vacuum). Light waves are electromagnetic waves and therefore do not require a medium to travel. Other examples of electromagnetic waves include radio waves, microwaves, and X-Rays. Mechanical Waves require a medium to travel through. Sound waves are mechanical waves and require a medium to travel through. Other examples of mechanical waves are ocean waves and seismic waves (generated by earthquakes).

Q3. In outer space you could see a distant explosion (separated by space), however you would not hear the explosion. Explain why this happens based upon your knowledge of wave propagation.

FOR Q4 & Q5

https://www.youtube.com/watch?v=tJW_a6JeXD8

Q4. Describe the meaning of the following quantities and include in which unit the respective quantity is measured: wavelength, frequency, period, displacement, and wave speed.

Q5. What is the relationship between wavelength and frequency of a wave?

FOR Q6-Q8 http://zonalandeducation.com/mstm/physics/waves/standingWaves/standingWaveDiagrams1/StandingWaveDiagrams1.html

http://zonalandeducation.com/mstm/physics/waves/standingWaves/standingWaves1/StandingWaves1.html

http://zonalandeducation.com/mstm/physics/waves/standingWaves/standingWaves2/StandingWaves2.html

http://zonalandeducation.com/mstm/physics/waves/standingWaves/standingWaves3/StandingWaves3.html Q6. Find at least two other musical instruments that are based upon standing waves on strings with both ends fixed and describe them in own words.

Q7. Find at least two other musical instruments that are based upon standing waves with both ends open and describe them in own words.

Q8. Find at least two other musical instruments that are based upon standing waves with one end fixed and one end open and describe them in own words.

Q9-Q10

https://www.youtube.com/watch?v=dc7l7Qqa8xk

Q9. Find out about the life and accomplishments of the Austrian scientist Christian Doppler and report findings here.

Q10. You hear the pitch of a fire truck becoming higher and higher. Is this fire truck coming towards you or moving away from you? Explain answer.

Q11. Find out what the frequency of the musical note A4 is and report your finding here. What is the frequency of the musical note A3?

Q12. The speed of sound in air is about 343 m/s. Convert this into miles per hour and into kilometers per hour.

Q13. Calculate the wavelength of the musical note A4 using your answer from Q11 and a speed of sound in air of 343 m/s.

Q14. The length of a guitar's strings is 650 mm. What is therefore the wavelength of the 1st harmonic of wave on the string if the string is free to move?

(Use this tutorial:The Physics Classroom: Mathematics of Standing Waves)

https://www.physicsclassroom.com/class/waves/Lesson-4/Mathematics-of-Standing-Waves

Q15. Using your answers from Q11 and Q14, calculate the wave speed on the A4 string of a guitar. What is the wave speed on the A3 string of a guitar?

Q16. You hear your brother playing the guitar in his room at the end of the hall way, 8 m away from you. How long does the sound take to travel from his guitar to your ear?

Q17. Does the amplitude of a wave change its frequency?

Q18. What is the speed of sound in sea water? Whales and dolphins use sound to communicate under water. What are the frequency and the wavelength of the musical note A5 in sea water.

Q19. Find out what ultra-sound is. What are applications of ultra-sound?

Q20. Go tothis web-site and check out your hearing, the hearing of a very young family member or friend, and the hearing of an older family member or friend. NOTE from the web-site: The instructions for using this service are given below the graphic.

Repeat: do not start in the top third of the chart.

Report here about the findings for three different people: What are the lowest and the highest frequencies that the person can hear and what is the loudness level in decibels? How much do these frequencies differ between the three people that you measured? Find out if there is a reason behind these frequencies being different.

http://www.phys.unsw.edu.au/jw/hearing.html