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Physics - Waves & Radiation

jackw.ord 11 preguntas

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Preguntas del test (11)

  1. 1What speed does light travel at?
    1. A3 x10,8 m/s
    2. B30 x10,8 m/s
    3. C2 x10,8 m/s
    4. D3 x10,7 m/s
  2. 2All electromagnetic waves travel at the same speed.
    1. AVerdadero
    2. BFalso
  3. 3Micro-waves have a shorter wave-length than gamma rays
    1. AVerdadero
    2. BFalso
  4. 4All the waves in the electromagnetic spectrum have different [blank_start]frequencies[blank_end] and [blank_start]wavelengths[blank_end] but they al travel at the same [blank_start]speed[blank_end] 3 x10,8 m/s.
    1. Afrequencies
    2. Bwavelengths
    3. Cspeed
  5. 5The height of a wave from the zero position is known as?
    1. AThe crest
    2. BThe trough
    3. CThe amplitude
    4. DThe wavelength
  6. 6To measure wavelength you require the frequency of the wave and the speed the wave is travelling at.
    1. AVerdadero
    2. BFalso
  7. 7When light moves from one medium into another it changes [blank_start]speed[blank_end]. This is known as [blank_start]refraction[blank_end]. This process can lead to some interesting effects such as change in [blank_start]direction[blank_end] when the light passes through one material into another.
    1. Aspeed
    2. Bdirection
    3. Crefraction
    4. Dreflection
    5. Edirection
    6. Fbrightness
  8. 8The angle of incidence equals the angle of reflection
    1. AVerdadero
    2. BFalso
  9. 9A [blank_start]higher pitched[blank_end] sound will contain more waves than a [blank_start]lower pitched[blank_end] sound, and a [blank_start]quiet[blank_end] sound will have a smaller [blank_start]amplitude[blank_end] than a louder sound.
    1. Ahigher pitched
    2. Blower pitched
    3. Cquiet
    4. Damplitude
  10. 10Convex lenses cause parallel rays of light to . . .
    1. AConverge (come together)
    2. BDiverge (spread out)

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Descripción
Test sobre Physics - Waves & Radiation, creado por jackw.ord el 17/12/2015.
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