IGCSEPhysics: Co-ordinated Sciences (Double Award)CIEExam Questions3. WavesElectromagnetic Spectrum

Electromagnetic Spectrum (CIE IGCSE Physics: Co-ordinated Sciences (Double Award))

Exam Questions

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Electromagnetic Spectrum

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Electromagnetic Spectrum

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11 mark

The table below shows the entire electromagnetic spectrum. It runs in order of increasing frequency.

Three parts of the spectrum are missing.

radio waves

X

infrared 

visible light

Y

x-rays

Z

What are parts X, Y and Z?

 

X

Y

Z

A

ultraviolet

microwaves

gamma rays

B

microwaves

gamma rays

microwaves

C

gamma rays

ultraviolet

microwaves

D

microwaves

ultraviolet

gamma rays

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    21 mark

    The table below shows the entire electromagnetic spectrum. It runs in order of increasing wavelength.

    Which region is microwaves?

    Îł-rays

    A

    B

    C

    infrared

    D

    radio waves

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      31 mark

      The electromagnetic spectrum is shown in the table below.

      Îł-rays

      x-rays

      ultraviolet

      visible light

      infrared

      microwaves

      radio waves

      q3-easy-mcq-3-3-electromagnetics-spectrum-cie-igcse-physics

      Which word is missing from the box below the electromagnetic spectrum?

      • Wavelength

      • Speed

      • Frequency

      • Amplitude

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      41 mark

      Which list shows the parts of the electromagnetic spectrum in order of decreasing wavelength?

      • Îł-rays, X-rays, infrared

      • Radio waves, ultraviolet, microwaves

      • Microwaves, infrared, visible light

      • Ultraviolet, visible light, infrared

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      51 mark

      Which of the following groups contains only electromagnetic waves?

      • Sound waves, Îł-rays, X-rays.

      • Îł-rays, microwaves, sound waves.

      • Radio waves, infrared waves, Îł-rays.

      • Radio waves, sound waves, microwaves.

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      11 mark

      Which of the following sentences about infrared waves is true?

      • They can be used to treat cancerous tumours.

      • They can be used to make images of bones, through the skin.

      • They can be used for cooking.

      • They are used to send communication signals to satellites.

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      21 mark

      Which type of electromagnetic wave is used in remote controls?

      • Microwaves

      • Visible light

      • Ultraviolet

      • Infrared

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      31 mark

      A forgery detector is used to check whether bank notes are genuine or counterfeit. A type of electromagnetic radiation is shone onto the banknote which makes special ink in the note glow.

      Which type of electromagnetic radiation is shone onto the banknote?

      • Ultraviolet

      • Infrared

      • Visible light

      • X-rays

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      41 mark

      Visible, red light has a wavelength of around 700 x 10-7 m.

      Two other types of electromagnetic radiation, X and Y, have different wavelengths to the visible, red light.

      Wavelength of X = 400 x 10-7 m
      Wavelength of Y = 3.0 x 10-2 m

      Which types of radiation could X and Y be?

       

      X

      Y

      A

      visible blue light

      microwaves

      B

      x-rays

      ultraviolet

      C

      infrared

      radio waves

      D

      microwaves

      ultraviolet

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        51 mark

        Extended tier only

        In what way are microwaves different from ultraviolet waves?

        • Ultraviolet waves travel faster than microwaves in a vacuum.

        • Microwaves have a longer wavelength than ultraviolet waves.

        • Microwaves have a higher frequency than ultraviolet waves.

        • Microwaves are longitudinal while ultraviolet waves are transverse.

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        61 mark

        Which of the following types of electromagnetic radiation has the highest speed in a vacuum?

        • Microwaves

        • Radio waves

        • Visible light

        • None of the above

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        11 mark

        Extended tier only

        Which of the following options shows the correct speed for electromagnetic waves in a vacuum?

        • 3.0 Ă— 104 cm / s

        • 3.0 Ă— 108 cm / s

        • 3.0 Ă— 1010 cm / s

        • 3.0 Ă— 108 km / s

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