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2 marksReflection

CSEC Physics · January 2016 · Paper 2 · Question 4(b)(i)

Figure 3 shows a car located 5 m behind a truck which is 8 m long. Assume the external mirror for the truck is a plane mirror and is in line with the front of the truck.

Calculate the image distance of the car as seen by the truck driver.

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Other parts of this question

  1. 4(a)(i)State the other law.[3 marks]
  2. 4(a)(ii)State THREE properties of the image in a plane mirror.[3 marks]
  3. 4(b)(ii)State a reason why the sign shown in Figure 4 is more likely to be posted at the back of a truck rather than a car.[2 marks]
  4. 4(c)(i)If the refractive index of the material is 1.3, calculate the angle of refraction in the material given that the angle of incidence is 30°.[4 marks]
  5. 4(c)(ii)If the refractive index of the material increased, why would the lateral displacement of the ray increase also?[1 mark]

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