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5 marksElectromagnetic Waves

CSEC Physics · January 2011 · Paper 2 · Question 2(a)(ii)

Electromagnetic waves include visible light and radiations with wavelengths higher or lower than visible light.

Complete Table 2 which relates to the sources and uses of electromagnetic waves.

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Other parts of this question

  1. 2(a)(i)Identify ONE type of radiation with wavelength: a) longer than visible light b) shorter than visible light.[2 marks]
  2. 2(b)If gamma rays have a wavelength of 3.0 × 10⁻¹² m, calculate the frequency of this type of radiation. [Velocity of all electromagnetic waves = 3.0 × 10⁸ m s⁻¹][3 marks]
  3. 2(c)(ii)A ray of red light emerges from a glass block as shown in Figure 1. If the block has a refractive index of 1.5, determine the value of the angle e.[5 marks]

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