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Waves

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

General properties of waves

Subtopic

General properties of waves under Waves for Grade 11 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    When a wave passes from one medium into another and undergoes refraction, which of the following properties remains constant?

    A.

    Wavelength

    B.

    Frequency

    C.

    Speed

    D.

    Amplitude

  2. 2.

    A ray of light strikes a plane mirror. If the angle of incidence is 40∘40^{\circ}, what is the total angle between the incident ray and the reflected ray?

    A.

    40∘40^{\circ}

    B.

    50∘50^{\circ}

    C.

    80∘80^{\circ}

    D.

    100∘100^{\circ}

  3. 3.

    A sound wave is traveling through a medium with a frequency of 440 Hz440 \text{ Hz} and a wavelength of 0.75 m0.75 \text{ m}. What is the speed of the sound wave?

    A.

    330 m/s330 \text{ m/s}

    B.

    586 m/s586 \text{ m/s}

    C.

    3300 m/s3300 \text{ m/s}

    D.

    0.0017 m/s0.0017 \text{ m/s}

Download the worksheet for Waves - General properties of waves to practice offline. It includes additional chapter-level practice questions.

Light (Reflection, refraction and thin converging lenses)

Subtopic

Light (Reflection, refraction and thin converging lenses) under Waves for Grade 11 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which of these is a characteristic of an image formed by a plane mirror?

    A.

    It is real

    B.

    It is diminished

    C.

    It is inverted vertically

    D.

    It is laterally inverted

  2. 2.

    In the diagram of a thin converging lens below, what is the name of point 'F' where parallel rays meet after refraction?

    A.

    Principal focus

    B.

    Optical center

    C.

    Principal axis

    D.

    Focal length

  3. 3.

    When light travels from air into a dense glass block, which of the following properties of the light decreases?

    A.

    Frequency only

    B.

    Speed and wavelength

    C.

    Speed and frequency

    D.

    Wavelength and frequency

Download the worksheet for Waves - Light (Reflection, refraction and thin converging lenses) to practice offline. It includes additional chapter-level practice questions.

Electromagnetic spectrum

Subtopic

Electromagnetic spectrum under Waves for Grade 11 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which of the following correctly describes the relationship between frequency and wavelength for electromagnetic waves in a vacuum?

    A.

    As frequency increases, wavelength increases

    B.

    As frequency increases, wavelength decreases

    C.

    Frequency and wavelength are independent of each other

    D.

    The sum of frequency and wavelength is always constant

  2. 2.

    Which type of electromagnetic radiation is most commonly used for the sterilization of medical equipment and food?

    A.

    Microwaves

    B.

    Infrared

    C.

    Visible light

    D.

    Gamma rays

  3. 3.

    The diagram shows the electromagnetic spectrum arranged by frequency. Which label correctly identifies the position of Gamma rays?

    A.

    Label A

    B.

    Label B

    C.

    Label C

    D.

    Label D

Download the worksheet for Waves - Electromagnetic spectrum to practice offline. It includes additional chapter-level practice questions.

Sound

Subtopic

Sound under Waves for Grade 11 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    A sound wave is adjusted so that its frequency decreases and its amplitude increases. How does the sound heard by an observer change?

    A.

    The pitch becomes higher and the sound becomes quieter.

    B.

    The pitch becomes higher and the sound becomes louder.

    C.

    The pitch becomes lower and the sound becomes louder.

    D.

    The pitch becomes lower and the sound becomes quieter.

  2. 2.

    In which of the following lists are the media arranged in order of increasing speed of sound (slowest to fastest)?

    A.

    Air, Water, Steel

    B.

    Steel, Water, Air

    C.

    Water, Air, Steel

    D.

    Air, Steel, Water

  3. 3.

    What is the typical range of frequencies that a healthy human ear can detect?

    A.

    2 Hz2\text{ Hz} to 2,000 Hz2,000\text{ Hz}

    B.

    20 Hz20\text{ Hz} to 20,000 Hz20,000\text{ Hz}

    C.

    200 Hz200\text{ Hz} to 200,000 Hz200,000\text{ Hz}

    D.

    20 kHz20\text{ kHz} to 20 MHz20\text{ MHz} Lore

Download the worksheet for Waves - Sound to practice offline. It includes additional chapter-level practice questions.

Waves - IGCSE Grade 11 Physics Notes & Revision | Krit.club