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Quiz

Instructions

  • This quiz contains 10 multiple choice questions.
  • You will have 10 minutes to complete the quiz.
  • Review your answers before submitting.
  • Your score will be shown at the end.

Science — Light and Sound

Question 1 of 10

Light travels fastest in:

  • A

    Water

  • B

    Glass

  • C

    Vacuum

  • D

    Diamond

Sound cannot travel through:

  • A

    Air

  • B

    Water

  • C

    Steel

  • D

    Vacuum

The bouncing back of light from a surface is called:

  • A

    Refraction

  • B

    Reflection

  • C

    Dispersion

  • D

    Diffraction

Bending of light when it passes from air into water is called:

  • A

    Reflection

  • B

    Refraction

  • C

    Absorption

  • D

    Scattering

A plane mirror forms an image that is:

  • A

    Real and inverted

  • B

    Virtual and laterally inverted

  • C

    Real and enlarged

  • D

    Virtual and inverted

Loudness of a sound depends mainly on its:

  • A

    Frequency

  • B

    Amplitude

  • C

    Speed

  • D

    Wavelength

Pitch of a sound depends on its:

  • A

    Amplitude

  • B

    Frequency

  • C

    Loudness

  • D

    Medium density

The unit of frequency is:

  • A

    Decibel

  • B

    Newton

  • C

    Hertz

  • D

    Joule

Splitting of white light into seven colours is called:

  • A

    Reflection

  • B

    Dispersion

  • C

    Absorption

  • D

    Diffraction

Sound travels fastest in:

  • A

    Air

  • B

    Water

  • C

    Steel

  • D

    Hydrogen gas

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