16366798
Descripción
Test por Jeffrey Piggott, actualizado hace más de 1 año
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Creado por Jeffrey Piggott
hace casi 6 años
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Pregunta 1
Respuesta
-
A
-
B
-
C
-
D
Pregunta 2
Pregunta
Which row shows the nature of light waves, sound waves and X-rays?
Image:
Q2 (binary/octet-stream)
Respuesta
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A
-
B
-
C
-
D
Pregunta 3
Pregunta
Visible light has a frequency of approximately 5.0 × 10^14 Hz.
M and N are two other types of electromagnetic radiation.
The frequency of M is 5.0 × 10^6 Hz.
The frequency of N is 5.0 × 10^15 Hz.
Which types of radiation are M and N?
Image:
Q3 (binary/octet-stream)
Respuesta
-
A
-
B
-
C
-
D
Pregunta 4
Pregunta
The diagram represents the electromagnetic spectrum.
Some regions have been labelled, and some labels are missing.
Which region should be labelled as infra-red waves?
Image:
Q4 (binary/octet-stream)
Respuesta
-
A
-
B
-
C
-
D
Pregunta 5
Pregunta
Which group contains only electromagnetic waves?
Respuesta
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A light waves, radio waves, γ-rays
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B light waves, radio waves, sound waves
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C light waves, sound waves, γ-rays
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D radio waves, sound waves, γ-rays
Pregunta 6
Pregunta
The diagram shows the electromagnetic spectrum.
A word is missing from the label below the spectrum.
Which word is missing?
Image:
Q6 (binary/octet-stream)
Respuesta
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A amplitude
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B frequency
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C speed
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D wavelength
Pregunta 7
Pregunta
How do infra-red waves differ from ultraviolet waves?
Respuesta
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A Infra-red waves are longitudinal.
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B Infra-red waves have a lower speed in vacuo (in a vacuum).
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C Infra-red waves have lower frequencies.
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D Infra-red waves have smaller wavelengths.
Pregunta 8
Pregunta
Which list shows electromagnetic waves in order of increasing frequency?
Respuesta
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A visible light, X-rays, γ-rays
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B visible light, γ-rays, X-rays
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C X-rays, γ-rays, visible light
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D γ-rays, X-rays, visible light
Pregunta 9
Pregunta
Which statement about ultraviolet waves is correct?
Respuesta
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A They are used in television remote controllers.
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B They can be detected by the human eye.
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C They travel as longitudinal waves.
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D They have the same speed in a vacuum as radio waves.
Pregunta 10
Pregunta
Which type of electromagnetic wave is used in airport security scanners?
Respuesta
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A infra-red
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B microwaves
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C radio waves
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D X-rays
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