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DP IB Physics: HL

Topic Questions

Home / IB / Physics: HL / DP / Topic Questions / 4. Waves / 4.5 Standing Waves / Multiple Choice


4.5 Standing Waves

Question 1

Marks: 1

Identify the line which makes up a correct description of the conditions for superposition.

A. One wave travelling in water with a constant speed
B. Two waves  travelling in opposite directions with the same frequency
C. Two waves  travelling near each other with the same frequency
D. Three or more waves travelling in the same direction with different frequency and speed
    Choose your answer
      

    Question 2

    Marks: 1

    For the two waves shown, identify the correct possible result after they superpose.

    4-5-q2-sl-easy-mcq-phy

    • 4-5-q2-option-a-sl-easy-mcq-phy

    • 4-5-q2-option-b-sl-easy-mcq-phy

    • 4-5-q2-option-c-sl-easy-mcq-phy

    • 4-5-q2-option-d-sl-easy-mcq-phy

    Choose your answer
      

    Question 3

    Marks: 1

    Identify the pair of statements which both correctly describe properties of standing waves.

      • All points have the same amplitude in turn
      • Points which are one wavelength apart are in phase
      • Each point has a different amplitude
      • Points between nodes are in phase
      • All points have the same amplitude in turn
      • Points between nodes are in phase
      • Energy is moved from one point to another
      • The wave has nodes and antinodes
    Choose your answer
      

    Question 4

    Marks: 1

    For the wave shown, how many nodes, and how many anti-nodes are present?

    4-5-q4-sl-easy-mcq-phy

      Nodes Anti-nodes
    A. 2 6
    B. 2 3
    C. 4 6
    D. 4 3
      Choose your answer
        
      Key Concepts
      Nodes & Antinodes

      Question 5

      Marks: 1

      The diagram shows a stationary wave. Which line correctly identifies the labelled sections?

      4-5-q5-sl-easy-mcq-phy

        P Q R
      A. antinode node length of string
      B. node antinode wavelength
      C. node antinode frequency
      D. wavelength wavelength length of string
        Choose your answer
          
        Key Concepts
        Nodes & Antinodes

        Question 6

        Marks: 1

        A stationary wave is formed in a pipe which is open at both ends.

        Which statement must be correct?

        • Nodes form at the ends of the wave.

        • Antinodes form at both ends of the wave.

        • Displacement is a maximum at the nodes.

        • Displacement is at a minimum at the antinodes.

        Choose your answer
          

        Question 7

        Marks: 1

        A stationary wave forms on a string of length L. Which harmonic has a wavelength where λ = 2 over 3 L?

        • First harmonic.

        • Second harmonic.

        • Third harmonic.

        • Fourth harmonic.

        Choose your answer
          
        Key Concepts
        Harmonics

        Question 8

        Marks: 1

        Which diagram shows the first harmonic on a string?

        q9-qun

          Choose your answer
            
          Key Concepts
          Harmonics

          Question 9

          Marks: 1

          Which is the correct general equation for the wavelength of the nth harmonic in a pipe of length L which is open at one end?

          • f subscript n space equals space fraction numerator n v over denominator 2 L end fraction

          • lambda subscript n space equals space fraction numerator 2 L over denominator n end fraction

          • v space equals space f lambda

          • lambda subscript n space equals space fraction numerator 4 L over denominator n end fraction

          Choose your answer
            
          Key Concepts
          Harmonics