Test
Waves, Sound and Light: Physics Review Questions
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Preguntas del test (13)
1Which color is bent the most when it enters glass from air?
- ARed
- BOrange
- CYellow
- DBlue
2Currently, in the United States, which fuel is utilized to produce the majority of electrical power?
- ANatural Gas
- BCoal
- CNuclear
- DOil
3Currently, in the United States, which fuel has the largest consumption?
- ANatural Gas
- BCoal
- CNuclear
- DOil
4Which of the following sound frequencies lie(s) in the audible range?
- A1 Hz
- B10 Hz
- C100 Hz
- D1,000 Hz
- E10,000 Hz
- F100,000 Hz
5Which of the following colors has the larges wavelength?
- ABlue
- BRed
- CYellow
- DGreen
6A temperature of degrees -30 degrees C is equivalent to ____________ degrees Fahrenheit.
- A-22.0
- B-35.7
- C22.0
- D-86.0
7How are electromagnetic waves similar to sound waves?
- AThe speed of sound and the speed of light are the same number.
- BThey are both longitudinal waves.
- CThey are both transverse waves.
- DThey both use Hz for frequency units.
8When light enters glass from air, it...
- Ais bent away from the normal.
- Bis bent towards the normal.
- Cis bent towards the surface.
- Dspeeds up.
- Eis totally internally reflected.
9What is the wavelength in meters, of a sound wave (v = 340 m/s) with a frequency of 20 Hz?
- A6,800 Hz
- B340 Hz
- C0.0059 Hz
- D17 Hz
10The Doppler effect is observed only when...
- Aan observer moves toward the stationary source of a wave.
- Bboth the source of a wave and an observer are moving toward each other.
- Cthere is relative motion between the source of a wave and an observer.
- Dthe source of a wave moves toward a stationary observer.
11For a longitudinal mechanical wave, the particle motion is....
- Aperpendicular to the direction of the wave velocity.
- Bboth parallel and perpendicular to the direction of the wave velocity.
- Cparallel to the direction of the wave velocity.
- Din all directions.
12The separation of white light into its component colors is called...
- Arefraction.
- Bpolarization.
- Cdiffraction.
- Ddispersion.
13A Doppler red shift indicates...
- Aa shift toward shorter wavelengths.
- Bthat a light source is approaching relative to the observer.
- Ca shift toward lower frequencies.
- Dnone of these.
Información
- Descripción
- Test sobre Sin título, creado por hawkinsv el 25/09/2014.
- Autor
- hawkinsv
- Idioma
- English
- Visitas
- 4
- Valoración
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