1. Jeopardy Jeopardy PHY101 Chapter 6 Review Study of Waves

2. Basics Parts of a wave Speeds PropertiesIntensity Potpourri $100 $200 $300 $400

3. Basics $100 What is a wave? ANSWER

4. Basics $200 Name three categories of waves & given an example.

5. ANSWER Basics $300 What is the difference between a longitudinal and transverse wave?

6. ANSWER Basics $400 You drop a rock in a pond, and the water waves travel away from the rock with a certain speed. You drop a heavier rock in the water. The speed of the waves in the water from the heavier rock is ________.

7. Parts of a wave $100 ANSWER What is meant by the amplitude of a wave?

8. ANSWER What is meant by a wavelength? Parts of a wave $200

9. ANSWER Parts of a wave $300 The number of cycles of a wave passing a point per unit time is the wave's __________.

10. Parts of a wave $400 ANSWER What is the equation for the speed of a wave?

11. Speeds $100 ANSWER What is the equation for the speed of a wave on a string?

12. Speeds $200 ANSWER What is the equation for the speed of a sound wave in air as function of temperature?

13. Speeds $300 ANSWER What is the Doppler Effect?

14. Speeds $400 ANSWER What is the speed of sound at 0 O C?

15. Properties $100 ANSWER When will a shock wave occur?

16. Properties $200 ANSWER What is diffraction?

17. Properties $300 ANSWER What is constructive interference?

18. Properties $400 ANSWER You shout at a cliff, and hear your echo in 2 seconds. If the speed of sound in the air is 340 m/s, the distance of the cliff from you is_________.

19. Intensity $100 ANSWER What is the equation for intensity of a pt source? What the SI unit for intensity?

20. Intensity $200 ANSWER What is the threshold of hearing?

21. Intensity $300 ANSWER What is the decibel equation?

22. Intensity $400 ANSWER What is the equation for intensity using frequency and amplitude?

23. Potpourri $100 ANSWER Ultrasound is used to _______.

24. Potpourri $200 ANSWER The 3rd harmonic of a complex tone has a frequency of 1,200 Hz. The frequency of the tone is __________.

25. Potpourri $300 ANSWER A sound with ten times the amplitude of another sound is judged to be _______.

26. Potpourri $400 ANSWER Combining two sounds of equal intensity will give a sound level __________ higher than the sound level due to just one of them.

27. Basics $100 Answer Back to Jeopardy What is a wave? A wave is a traveling disturbance carries energy and momentum.

28. Basics $200 Answer Back to Jeopardy Name three categories of waves & given an example. Mechanical wavesSound wave, water wave Electromagnetic waveslight Matter Waveselectron

29. Basics $300 Answer Back to Jeopardy What is the difference between a longitudinal and transverse wave? A longitudinal wave vibrates back & forth in the direction of motion. A transverse wave vibrates perpendicular to the direction of motion.

30. Basics $400 Answer Back to Jeopardy You drop a rock in a pond, and the water waves travel away from the rock with a certain speed. You drop a heavier rock in the water. The speed of the waves in the water from the heavier rock is the same.

31. Parts of a wave $100 Answer Back to Jeopardy What is meant by the amplitude of a wave? The maximum displacement of points on a wave.

32. Parts of a wave $200 Answer Back to Jeopardy What is meant by a wavelength? The peak to peak distance between two waves is the wavelength.

33. Parts of a wave $300 Answer Back to Jeopardy The number of cycles of a wave passing a point per unit time is the wave's frequency.

34. Parts of a wave $400 Answer Back to Jeopardy What is the equation for the speed of a wave? v =frequency * wavelength = f.

35. Speeds $100 Answer Back to Jeopardy What is the equation for the speed of a wave on a string?

36. Speeds $200 Answer Back to Jeopardy What is the equation for the speed of a sound wave in air as function of temperature? V = 20.1 m/(s*K.5 )+(T in Kelvin).5

37. Speeds $300 Answer Back to Jeopardy What is the Doppler Effect? Apparent frequency change due to movement of source or observer.

38. Speeds $400 Answer Back to Jeopardy What is the speed of sound at 0 O C? 331 m/s At Room Temperature 340 m/s

39. Properties $100 Answer Back to Jeopardy When will a shock wave occur? When an object moves faster than the speed of the medium.

40. Properties $200 Answer Back to Jeopardy What is diffraction? The bending of a wave.

41. Properties $300 Answer Back to Jeopardy What is constructive interference? Addition of two waves to get a bigger wave.

42. Properties $400 Answer Back to Jeopardy You shout at a cliff, and hear your echo in 2 seconds. If the speed of sound in the air is 340 m/s, the distance of the cliff from you is 340 m.

43. Intensity $100 Answer Back to Jeopardy What is the equation for intensity of a pt source? I = Power/(4  r²) Units in Watts/m² What the SI unit for intensity?

44. Intensity $200 Answer Back to Jeopardy What is the threshold of hearing? I O = 1* 10 -12 W/m²

45. Intensity $300 Answer Back to Jeopardy What is the decibel equation? dB = 10 log 10 (I/I O )

46. Intensity $400 Answer Back to Jeopardy What is the equation for intensity using frequency and amplitude? I AVERAGE =.5*D*v*(2  *amplitude*frequency)²

47. Potpourri $100 Answer Back to Jeopardy Ultrasound is used a. to form images of internal organs. b. by bats to navigate. c. In automatic focus cameras. d. to control insects.

48. Potpourri $200 Answer Back to Jeopardy The 3rd harmonic of a complex tone has a frequency of 1,200 Hz. The frequency of the tone is 400 Hz. f N = Nf O

49. Potpourri $300 Answer Back to Jeopardy A sound with ten times the amplitude of another sound is judged to be 20 dB higher in sound level.

50. Potpourri $400 Answer Back to Jeopardy Combining two sounds of equal intensity will give a sound level 3 dB higher than the sound level due to just one of them.

51. Thank You for playing Study of Waves Jeopardy!