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3.2 Light

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Question 131

Which row gives the nature of light waves and the name of the effect that causes a straw in a glass of water to appear bent?

Nature of light wavesEffect causing a straw to appear bentAlongitudinalreflectionBlongitudinalrefractionCtransversereflectionDtransverserefraction \begin{array}{|c|c|c|} \hline & \text{Nature of light waves} & \text{Effect causing a straw to appear bent} \\ \hline \text{A} & \text{longitudinal} & \text{reflection} \\ \hline \text{B} & \text{longitudinal} & \text{refraction} \\ \hline \text{C} & \text{transverse} & \text{reflection} \\ \hline \text{D} & \text{transverse} & \text{refraction} \\ \hline \end{array} ABCD​Nature of light waveslongitudinallongitudinaltransversetransverse​Effect causing a straw to appear bentreflectionrefractionreflectionrefraction​​
A

Nature: longitudinal; Effect: reflection

B

Nature: longitudinal; Effect: refraction

C

Nature: transverse; Effect: reflection

D

Nature: transverse; Effect: refraction

Markscheme

3.2 Light Questions

  1. IGCSE
  2. /Physics
  3. /3.2 Light

216 exam-style questions on CIE IGCSE Physics 3.2 Light, covering 3.2.1a Reflection of light, 3.2.1b Images in a plane mirror, 3.2.2 Refraction of light, 3.2.2a Refraction of light, 3.2.2b Total internal reflection, 3.2.2c Refractive index and critical angle, 3.2.2d Optical fibres, 3.2.3a Converging and diverging lenses, 3.2.3b Ray diagrams and the nature of images, 3.2.3c Virtual images and the magnifying glass, 3.2.3d Correcting long-sightedness and short-sightedness, and 3.2.4 Dispersion of light. Each one has a worked solution and a mark scheme showing where the marks go.

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