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DP IB Physics: HL

Topic Questions

Home / IB / Physics: HL / DP / Topic Questions / 4. Waves / 4.4 Wave Behaviour / Multiple Choice


4.4 Wave Behaviour

Question 1

Marks: 1

Which phrase correctly completes the following sentence?

In a ray diagram showing reflection, the angle of incidence is the angle between

  • the incident ray and the boundary surface.

  • the incident ray and the normal.

  • the incident ray and the reflected ray.

  • the reflected ray and the boundary surface.

Choose your answer
  
Key Concepts
Reflection

Question 2

Marks: 1

Which property of a wave does not change as a result of refraction?

  • Frequency, f

  • Wavelength, λ

  • Wave speed in the medium, v

  • Amplitude, A

Choose your answer
  

Question 3

Marks: 1

Ray diagrams can be used to show the reflection, refraction and transmission of light at the boundary between media. 

4-4-q3-sl-easy-mcq-phy

In the diagram, what feature does X represent?

  • Reflected ray

  • Refracted ray

  • Transmitted ray

  • Incident ray

Choose your answer
  

Question 4

Marks: 1

A monochromatic laser beam is shone into the surface of a tank filled with water. The effects on the laser beam due to the water are observed.

How will the properties of the light be affected by the water?

 

speed

wavelength

frequency

A

no change

increases

decreases

B

decreases

decreases

no change

C

increases

decreases

no change

D

decreases

no change

increases

    Choose your answer
      
    Key Concepts
    Refraction

    Question 5

    Marks: 1

    When does diffraction occur?

    • In all waves

    • In soundwaves only

    • In transverse waves only

    • In light waves only

    Choose your answer
      

    Question 6

    Marks: 1

    Which image shows the correct ray diagram for light passing from air into water?

    4-4-q6-sl-easy-mcq-phy

      Choose your answer
        
      Key Concepts
      Refraction

      Question 7

      Marks: 1

      The diagram shows a wave approaching an aperture.

      4-4-q7-1-sl-easy-mcq-phy

      Which diagram correctly shows the resulting diffraction pattern for the wave?

      4-4-q7-sl-easy-mcq-phy

        Choose your answer
          

        Question 8

        Marks: 1

        Which row correctly describes the conditions for constructive and destructive interference in a double-slit diffraction pattern?

         

        Constructive

        Destructive

        A.

        Crest + crest

        Trough + trough

        B.

        Crest + trough

        Trough + trough

        C.

        Trough + trough Crest + crest

        D.

        Crest + crest

        Crest + trough

          Choose your answer
            

          Question 9

          Marks: 1

          The diagram shows two waves. One wave is emitted from source s1 and travels to point P. The other wave is emitted from source s2 and travels to point P.

          4-4-q9-sl-easy-mcq-phy

          What is the path difference between the waves?

          • 1λ

          • 11 halfλ

          • 2λ

          • 21 halfλ

          Choose your answer
            
          Key Concepts
          Path Difference

          Question 10

          Marks: 1

          The double-slit equation describes the relationship between the separation distance of the fringes on the screen, s, the distance between the screen and the slits, D, the separation of the slits, d, and the wavelength, λ, of the light. 

          sfraction numerator lambda D over denominator d end fraction

          Which line gives the correct units for the quantities?

           

          s

          D

          λ

          d

          A.

          m

          m

          m

          m

          B.

          m−1

          m

          m s−1

          m

          C.

          m m s−1 m m−1

          D.

          m2

          m−1

          m

          m

            Choose your answer
              
            Key Concepts
            Double-Slit Equation