Inquiry into Physics 8th Edition by Vern J. Ostdiek – Test Bank

Inquiry into Physics 8th Edition by Vern J. Ostdiek – Test Bank

1. The flash from a camera is an example of a continuous wave.

a.

True

b.

False

ANSWER:

False

POINTS:

1

QUESTION TYPE:

True / False

HAS VARIABLES:

False

DATE CREATED:

6/13/2016 10:31 AM

DATE MODIFIED:

6/13/2016 10:31 AM

2. The number of cycles of a wave passing a point per unit time is the wave’s period.

a.

True

b.

False

ANSWER:

False

POINTS:

1

QUESTION TYPE:

True / False

HAS VARIABLES:

False

DATE CREATED:

6/13/2016 10:31 AM

DATE MODIFIED:

6/13/2016 10:31 AM

3. The distance between two successive ‘like’ points on a wave is the wave’s wavelength.

a.

True

b.

False

ANSWER:

True

POINTS:

1

QUESTION TYPE:

True / False

HAS VARIABLES:

False

DATE CREATED:

6/13/2016 10:31 AM

DATE MODIFIED:

6/13/2016 10:31 AM

4. The maximum displacement of points on a wave from the equilibrium position is the wave’s wavelength.

a.

True

b.

False

ANSWER:

False

POINTS:

1

QUESTION TYPE:

True / False

HAS VARIABLES:

False

DATE CREATED:

6/13/2016 10:31 AM

DATE MODIFIED:

6/13/2016 10:31 AM

5. The wavelength of a wave divided by the frequency of the wave is the wave’s speed.

a.

True

b.

False

ANSWER:

False

POINTS:

1

QUESTION TYPE:

True / False

HAS VARIABLES:

False

DATE CREATED:

6/13/2016 10:31 AM

DATE MODIFIED:

6/13/2016 10:31 AM

6. When the frequency of the source of a water wave increases, the distance between successive peaks in the wave increases.

a.

True

b.

False

ANSWER:

False

POINTS:

1

QUESTION TYPE:

True / False

HAS VARIABLES:

False

DATE CREATED:

6/13/2016 10:31 AM

DATE MODIFIED:

6/13/2016 10:31 AM

7. When the frequency of the source of a water wave increases, the speed of the waves traveling in the water increases.

a.

True

b.

False

ANSWER:

False

POINTS:

1

QUESTION TYPE:

True / False

HAS VARIABLES:

False

DATE CREATED:

6/13/2016 10:31 AM

DATE MODIFIED:

6/13/2016 10:31 AM

8. A water wave is an example of a transverse wave.

a.

True

b.

False

ANSWER:

True

POINTS:

1

QUESTION TYPE:

True / False

HAS VARIABLES:

False

DATE CREATED:

6/13/2016 10:31 AM

DATE MODIFIED:

6/13/2016 10:31 AM

9. A sound wave in a metal bar is an example of a longitudinal wave.

a.

True

b.

False

ANSWER:

True

POINTS:

1

QUESTION TYPE:

True / False

HAS VARIABLES:

False

DATE CREATED:

6/13/2016 10:31 AM

DATE MODIFIED:

6/13/2016 10:31 AM

10. Sound in a vacuum is impossible.

a.

True

b.

False

ANSWER:

True

POINTS:

1

QUESTION TYPE:

True / False

HAS VARIABLES:

False

DATE CREATED:

6/13/2016 10:31 AM

DATE MODIFIED:

6/13/2016 10:31 AM

11. Regions of a longitudinal wave where the particles of the medium are squeezed together are called compressions.

a.

True

b.

False

ANSWER:

True

POINTS:

1

QUESTION TYPE:

True / False

HAS VARIABLES:

False

DATE CREATED:

6/13/2016 10:31 AM

DATE MODIFIED:

6/13/2016 10:31 AM

12. Waves carry energy.

a.

True

b.

False

ANSWER:

True

POINTS:

1

QUESTION TYPE:

True / False

HAS VARIABLES:

False

DATE CREATED:

6/13/2016 10:31 AM

DATE MODIFIED:

6/13/2016 10:31 AM

13. The speed of a wave is the same as the speed of the particles displaced by the wave.

a.

True

b.

False

ANSWER:

False

POINTS:

1

QUESTION TYPE:

True / False

HAS VARIABLES:

False

DATE CREATED:

6/13/2016 10:31 AM

DATE MODIFIED:

6/13/2016 10:31 AM

When a force F stretches a rope of mass per unit length ρ, the velocity of a wave in the rope is given by

14. You have two ropes of the same length. The mass of the second rope is twice the mass of the first rope. The velocity of a wave in the second rope is times the velocity of a wave in the first rope.

a.

True

b.

False

ANSWER:

True

POINTS:

1

QUESTION TYPE:

True / False

HAS VARIABLES:

False

PREFACE NAME:

force F stretches a rope

DATE CREATED:

6/13/2016 10:31 AM

DATE MODIFIED:

6/13/2016 10:31 AM

15. You pull on a rope with a certain force, and a wave travels in the rope with a certain velocity. If you double your force, the velocity of a wave in the rope is now times the original velocity.

a.

True

b.

False

ANSWER:

True

POINTS:

1

QUESTION TYPE:

True / False

HAS VARIABLES:

False

PREFACE NAME:

force F stretches a rope

DATE CREATED:

6/13/2016 10:31 AM

DATE MODIFIED:

6/13/2016 10:31 AM

16. You have two identical ropes stretched with the same force between two different sets of posts. The second rope is twice as long as the first rope. The velocity of a wave in the second rope is half the velocity of a wave in the first rope.

a.

True

b.

False

ANSWER:

False

POINTS:

1

QUESTION TYPE:

True / False

HAS VARIABLES:

False

PREFACE NAME:

force F stretches a rope

DATE CREATED:

6/13/2016 10:31 AM

DATE MODIFIED:

6/13/2016 10:31 AM

17. A wave moves in a rope with a certain wavelength. A second wave is made to move in the same rope with twice the wavelength of the first wave. The frequency of the second wave is half the frequency of the first wave.

a.

True

b.

False

ANSWER:

True

POINTS:

1

QUESTION TYPE:

True / False

HAS VARIABLES:

False

DATE CREATED:

6/13/2016 10:31 AM

DATE MODIFIED:

6/13/2016 10:31 AM

A source emits sound at a fixed constant frequency f.

18. If the source moves away from you, the frequency you hear is lower than f.

a.

True

b.

False

ANSWER:

True

POINTS:

1

QUESTION TYPE:

True / False

HAS VARIABLES:

False

PREFACE NAME:

source emits sound

DATE CREATED:

6/13/2016 10:31 AM

DATE MODIFIED:

6/13/2016 10:31 AM

19. If you run towards the source, the frequency you hear is lower than f.

a.

True

b.

False

ANSWER:

False

POINTS:

1

QUESTION TYPE:

True / False

HAS VARIABLES:

False

PREFACE NAME:

source emits sound

DATE CREATED:

6/13/2016 10:31 AM

DATE MODIFIED:

6/13/2016 10:31 AM

20. If the source moves away from you, and at the same time you run away from the source, the frequency you hear is the same as f.

a.

True

b.

False

ANSWER:

False

POINTS:

1

QUESTION TYPE:

True / False

HAS VARIABLES:

False

PREFACE NAME:

source emits sound

DATE CREATED:

6/13/2016 10:31 AM

DATE MODIFIED:

6/13/2016 10:31 AM

21. If the temperature of the air rises, the frequency you hear is higher than f.

a.

True

b.

False

ANSWER:

False

POINTS:

1

QUESTION TYPE:

True / False

HAS VARIABLES:

False

PREFACE NAME:

source emits sound

DATE CREATED:

6/13/2016 10:31 AM

DATE MODIFIED:

6/13/2016 10:31 AM

22. If the source moves away from you faster than the speed of sound in air, you do not hear any frequency but instead a ‘sonic boom.’

a.

True

b.

False

ANSWER:

True

POINTS:

1

QUESTION TYPE:

True / False

HAS VARIABLES:

False

PREFACE NAME:

source emits sound

DATE CREATED:

6/13/2016 10:31 AM

DATE MODIFIED:

6/13/2016 10:31 AM

23. Sound cannot travel through solid steel.

a.

True

b.

False

ANSWER:

False

POINTS:

1

QUESTION TYPE:

True / False

HAS VARIABLES:

False

DATE CREATED:

6/13/2016 10:31 AM

DATE MODIFIED:

6/13/2016 10:31 AM

24. If the source moves, the wavelength of the sound in front of the direction of motion is smaller than the wavelength behind the direction of motion.

a.

True

b.

False

ANSWER:

True

POINTS:

1

QUESTION TYPE:

True / False

HAS VARIABLES:

False

DATE CREATED:

6/13/2016 10:31 AM

DATE MODIFIED:

6/13/2016 10:31 AM

25. You can hear sound through an open window from sources that are not in your line of sight because of diffraction.

a.

True

b.

False

ANSWER:

True

POINTS:

1

QUESTION TYPE:

True / False

HAS VARIABLES:

False

DATE CREATED:

6/13/2016 10:31 AM

DATE MODIFIED:

6/13/2016 10:31 AM

26. When two identical waves arrive at the same place in phase, there is destructive interference.

a.

True

b.

False

ANSWER:

False

POINTS:

1

QUESTION TYPE:

True / False

HAS VARIABLES:

False

DATE CREATED:

6/13/2016 10:31 AM

DATE MODIFIED:

6/13/2016 10:31 AM

27. Two speakers in a stereo emit identical pure tones. As you move around in front of the speakers, you hear the sound alternating between loud and zero. This occurs because of diffraction.

a.

True

b.

False

ANSWER:

False

POINTS:

1

QUESTION TYPE:

True / False

HAS VARIABLES:

False

DATE CREATED:

6/13/2016 10:31 AM

DATE MODIFIED:

6/13/2016 10:31 AM

28. In order for two waves to interfere completely destructively, they must have the same amplitude.

a.

True

b.

False

ANSWER:

True

POINTS:

1

QUESTION TYPE:

True / False

HAS VARIABLES:

False

DATE CREATED:

6/13/2016 10:31 AM

DATE MODIFIED:

6/13/2016 10:31 AM

29. As you move farther away from a source emitting a pure tone, the frequency of the sound you hear decreases.

a.

True

b.

False

ANSWER:

False

POINTS:

1

QUESTION TYPE:

True / False

HAS VARIABLES:

False

DATE CREATED:

6/13/2016 10:31 AM

DATE MODIFIED:

6/13/2016 10:31 AM

30. Reverberation can both inhibit conversation and enhance music.

a.

True

b.

False

ANSWER:

True

POINTS:

1

QUESTION TYPE:

True / False

HAS VARIABLES:

False

DATE CREATED:

6/13/2016 10:31 AM

DATE MODIFIED:

6/13/2016 10:31 AM

31. Reverberation time of a room can be increased by covering the walls with better reflectors of sound.

a.

True

b.

False

ANSWER:

True

POINTS:

1

QUESTION TYPE:

True / False

HAS VARIABLES:

False

DATE CREATED:

6/13/2016 10:31 AM

DATE MODIFIED:

6/13/2016 10:31 AM