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2 nd Semester Review

2 nd Semester Review. A mass attached to a spring vibrates back and forth. At maximum displacement, the spring force and the a. velocity reach a maximum. b. velocity reach zero. c. acceleration reach a maximum. d. acceleration reach zero.

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2 nd Semester Review

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  1. 2nd Semester Review

  2. A mass attached to a spring vibrates back and forth. At maximum displacement, the spring force and thea. velocity reach a maximum. b. velocity reach zero. c. acceleration reach a maximum.d. acceleration reach zero.

  3. A mass attached to a spring vibrates back and forth. At maximum displacement, the spring force and thea. velocity reach a maximum. b. velocity reach zero. c. acceleration reach a maximum.d. acceleration reach zero.

  4. Which of the following is the time it takes to complete a cycle of motion?a. amplitude b. period c. frequencyd. revolution

  5. Which of the following is the time it takes to complete a cycle of motion?a. amplitude b. periodc. frequencyd. revolution

  6. A musical tone sounded on a piano has a frequency of 410 Hz and a wavelength of 0.80 m. What is the speed of the sound wave?a. 170 m/s c. 330 m/sb. 240 m/s d. 590 m/s

  7. A musical tone sounded on a piano has a frequency of 410 Hz and a wavelength of 0.80 m. What is the speed of the sound wave?a. 170 m/s c. 330 m/sb. 240 m/s d. 590 m/s

  8. A student sends a pulse traveling on a taut rope with one end attached to a post. What will the student observe?a. The pulse will not be reflected if the rope is free to slide up and down on the post.b. The pulse will be reflected and inverted if the rope is free to slide up and down on the post.c. The pulse will be reflected and inverted if the rope is fixed to the post.d. The pulse will not be inverted if the rope is fixed to the post.

  9. A student sends a pulse traveling on a taut rope with one end attached to a post. What will the student observe?a. The pulse will not be reflected if the rope is free to slide up and down on the post.b. The pulse will be reflected and inverted if the rope is free to slide up and down on the post.c. The pulse will be reflected and inverted if the rope is fixed to the post.d. The pulse will not be inverted if the rope is fixed to the post.

  10. How high or low we perceive a sound to be, depending on the frequency of the sound wave, is defined as thea. infrasonic wave. b. frequency. c. ultrasonic wave.d. pitch.

  11. How high or low we perceive a sound to be, depending on the frequency of the sound wave, is defined as thea. infrasonic wave. b. frequency. c. ultrasonic wave.d. pitch.

  12. The Doppler effect occurs witha. only sound waves. b. only compressional waves c. only water waves.b. only compressional waves. d. all waves.

  13. The Doppler effect occurs witha. only sound waves. b. only compressional waves c. only water waves.b. only compressional waves. d. all waves.

  14. The effects of sound on the ear are loudness, pitch, and quality. Loudness is an effect of ____, pitch is an effect of ____, and timbre is an effect of ____.a. intensity; harmonic content; frequency b. harmonic content; frequency; intensityc. frequency; intensity; harmonic contentd. intensity; frequency; harmonic content

  15. The effects of sound on the ear are loudness, pitch, and quality. Loudness is an effect of ____, pitch is an effect of ____, and timbre is an effect of ____.a. intensity; harmonic content; frequency b. harmonic content; frequency; intensityc. frequency; intensity; harmonic contentd. intensity; frequency; harmonic content

  16. What phenomenon is created by two tuning forks side by side that emit frequencies that differ by only a small amount?a. resonance b. interference c. the Doppler effectd. beats

  17. What phenomenon is created by two tuning forks side by side that emit frequencies that differ by only a small amount?a. resonance b. interference c. the Doppler effectd. beats

  18. If you know the wavelength of any form of electromagnetic radiation, you can determine its frequency becausea. all wavelengths travel at the same speed.b. the speed of light varies for each form.c. wavelength and frequency are equal.d. the speed of light increases as wavelength increases.

  19. If you know the wavelength of any form of electromagnetic radiation, you can determine its frequency becausea. all wavelengths travel at the same speed.b. the speed of light varies for each form.c. wavelength and frequency are equal.d. the speed of light increases as wavelength increases.

  20. If you are reading a book and you move twice as far away from the light source, how does the brightness at the new distance compare with that at the old distance? It isa. one-eighth b. one-fourth c. one-half d. twice

  21. If you are reading a book and you move twice as far away from the light source, how does the brightness at the new distance compare with that at the old distance? It isa. one-eighth b. one-fourthc. one-half d. twice

  22. In the diagram above, the image of object B would bea. virtual, enlarged, and inverted. b. real, enlarged, and upright. c. virtual, reduced, and upright.d. virtual, enlarged, and upright.

  23. In the diagram above, the image of object B would bea. virtual, enlarged, and inverted. b. real, enlarged, and upright. c. virtual, reduced, and upright.d. virtual, enlarged, and upright.

  24. In the diagram above, the image of object B would bea. real, reduced, and upright. b. virtual, enlarged, and upright. c. virtual, reduced, and inverted.d. virtual, reduced, and upright.

  25. In the diagram above, the image of object B would bea. real, reduced, and upright. b. virtual, enlarged, and upright. c. virtual, reduced, and inverted.d. virtual, reduced, and upright.

  26. Refraction is the term for the bending of a wave disturbance as it passes at an angle from one ____ into another.a. glass c. areab. medium d. boundary

  27. Refraction is the term for the bending of a wave disturbance as it passes at an angle from one ____ into another.a. glass c. areab. medium d. boundary

  28. When a light ray passes from water (n = 1.333) into diamond (n = 2.419) at an angle of 45°, its path isa. bent toward the normal. b. bent away from the normal.c. parallel to the normal.d. not bent.

  29. When a light ray passes from water (n = 1.333) into diamond (n = 2.419) at an angle of 45°, its path isa. bent toward the normal.b. bent away from the normal.c. parallel to the normal.d. not bent.

  30. A beam of light in air is incident at an angle of 35° to the surface of a rectangular block of clear plastic (n = 1.49). What is the angle of refraction?a. 42° b. 55°c. 23° d. 59°

  31. A beam of light in air is incident at an angle of 35° to the surface of a rectangular block of clear plastic (n = 1.49). What is the angle of refraction?a. 42° b. 55°c. 23° d. 59°

  32. Which of the following describes what will happen to a light ray incident on a glass-to-air boundary at greater than the critical angle?a. total reflection b. total transmission c. partial reflection, partial transmissiond. partial reflection, total transmission

  33. Which of the following describes what will happen to a light ray incident on a glass-to-air boundary at greater than the critical angle?a. total reflectionb. total transmission c. partial reflection, partial transmissiond. partial reflection, total transmission

  34. A repelling force occurs between two charged objects whena. charges are of unlike signs.b. charges are of like signs. c. charges are of equal magnitude.d. charges are of unequal magnitude.

  35. A repelling force occurs between two charged objects whena. charges are of unlike signs.b. charges are of like signs. c. charges are of equal magnitude.d. charges are of unequal magnitude.

  36. Which sentence best characterizes electric conductors?a. They have low mass density.b. They have high tensile strengthc. They have electric charges that move freely.d. They are poor heat conductors.

  37. Which sentence best characterizes electric conductors?a. They have low mass density.b. They have high tensile strengthc. They have electric charges that move freely.d. They are poor heat conductors.

  38. Which of the following is NOT true for BOTH gravitational and electric forces?a. The inverse square distance law applies.b. Forces are conservative.c. Potential energy is a function of distance of separation.d. Forces are either attractive or repulsive.

  39. Which of the following is NOT true for BOTH gravitational and electric forces?a. The inverse square distance law applies.b. Forces are conservative.c. Potential energy is a function of distance of separation.d. Forces are either attractive or repulsive.

  40. If a conductor is in electrostatic equilibrium, the electric field inside the conductora. is directed inward. b. is directed outward. c. is at its maximum level.d. is zero.

  41. If a conductor is in electrostatic equilibrium, the electric field inside the conductora. is directed inward. b. is directed outward. c. is at its maximum level.d. is zero.

  42. Two positive point charges are initially separated by a distance of 2 cm. If their separation is increased to 6 cm, the resultant electrical potential energy is equal to what factor times the initial electrical potential energy?a. 3 b. 9 c. 1/3d. 1/9

  43. Two positive point charges are initially separated by a distance of 2 cm. If their separation is increased to 6 cm, the resultant electrical potential energy is equal to what factor times the initial electrical potential energy?a. 3 b. 9 c. 1/3d. 1/9

  44. A uniform electric field with a magnitude of 500 N/C is directed parallel to the positive x-axis. If the potential at x = 5 m is 2500 V, what is the potential at x = 2 m?a. 1000 V b. 2000 V c. 4000 Vd. 4500 V

  45. A uniform electric field with a magnitude of 500 N/C is directed parallel to the positive x-axis. If the potential at x = 5 m is 2500 V, what is the potential at x = 2 m?a. 1000 V b. 2000 V c. 4000 Vd. 4500 V

  46. What will be the electric potential at a distance of 0.15 m from a point charge of 6.0 C? (kc = 8.99 x 109 N•m2/C2)a. 5.4 x 104 V b. 3.6 x 106 V c. 2.4 x 106 Vd. 1.2 x 107 V

  47. What will be the electric potential at a distance of 0.15 m from a point charge of 6.0 C? (kc = 8.99 x 109 N•m2/C2)a. 5.4 x 104 V b. 3.6 x 106 Vc. 2.4 x 106 Vd. 1.2 x 107 V

  48. A 0.25 F capacitor is connected to a 9.0 V battery. What is the charge on the capacitor?a. 1.2 x 10–12 C b. 2.2 x 10–6 C c. 2.8 x 10–8 Cd. 3.6 x 10–7 C

  49. A 0.25 F capacitor is connected to a 9.0 V battery. What is the charge on the capacitor?a. 1.2 x 10–12 C b. 2.2 x 10–6 Cc. 2.8 x 10–8 Cd. 3.6 x 10–7 C

  50. A wire carries a steady current of 0.1 A over a period of 20 s. What total charge moves through the wire in this time interval?a. 200 C b. 20 C c. 2 Cd. 0.005 C

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