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International ASPhysicsEdexcelExam Questions2. Waves & ElectricityRefraction, Reflection & Polarisation

Refraction, Reflection & Polarisation (Edexcel International AS Physics): Exam Questions

Exam code: XPH11

42 mins7 questions

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Refraction, Reflection & Polarisation

1
Sme Calculator1 mark

The diagram shows refraction of a ray of light as it passes through three transparent substances, L, M and N. The speeds of light in the three substances are vL, vM and vN, respectively.

q5-6-wph12-02-jan-2022-edexcel-int-as-a-level-phy

Which of the following shows the relationship between vL, vM and vN?

  • vL > vM > vN

  • vL > vN > vM

  • vN > vM > vL

  • vM > vN > vL

Choose your answer

2
Sme Calculator1 mark

The diagram shows refraction of a ray of light as it passes through three transparent substances, L, M and N. The speeds of light in the three substances are vL, vM and vN, respectively.

q5-6-wph12-02-jan-2022-edexcel-int-as-a-level-phy

Which of the following could result in a ray of light undergoing total internal reflection?

  • light travelling from L to M

  • light travelling from L to N

  • light travelling from M to L

  • light travelling from N to M

Choose your answer

3
Sme Calculator1 mark

A light bulb with an efficiency of 12% is positioned 2.0 m above a light sensor.

The intensity of light at the light sensor is 0.14 W m−2.

Which of the following could be used to calculate the power of the light bulb?

  • open parentheses 0.14 close parentheses space cross times open parentheses 0.12 close parentheses space cross times open parentheses 4 straight pi close parentheses cross times open parentheses 2.0 close parentheses squared

  • fraction numerator open parentheses 0.14 close parentheses space cross times open parentheses 4 straight pi close parentheses cross times open parentheses 2.0 close parentheses squared over denominator 0.12 end fraction

  • open parentheses 0.14 close parentheses space cross times open parentheses 0.12 close parentheses space cross times open parentheses straight pi close parentheses cross times open parentheses 2.0 close parentheses squared

  • fraction numerator open parentheses 0.14 close parentheses space cross times open parentheses straight pi close parentheses cross times open parentheses 2.0 close parentheses squared over denominator 0.12 end fraction

Choose your answer