2 marksElectromagnetic Waves
CSEC Physics · January 2014 · Paper 2 · Question 4(a)(i)
State TWO properties of electromagnetic waves.
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- 4(a)(ii)Visible light is a type of electromagnetic wave. State TWO other types of electromagnetic waves indicating whether the wavelength of each is higher or lower…[4 marks]
- 4(b)(i)a)the frequency in each case[3 marks]
- 4(b)(i)b)the decrease in frequency, Δf.[1 mark]
- 4(b)(ii)We assume that the useful energy transferred to the solar panel is a constant, k, times the decrease in frequency of the e.m. waves. (E = kΔf). State the…[1 mark]
- 4(b)(iii)With a change of conditions, the wavelength of the wave now absorbed by the panel increased to 6 × 10⁻⁷ m, but the emitted wavelength remains at λ₂ = 6.5 ×…[4 marks]
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