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Physics (AS & A Level) · Oct / Nov 2018 · Paper 11 · Question 25

9702Electromagnetic spectrum

A telescope detects and analyses some electromagnetic radiation of wavelength 2 cm. Which type of telescope is it?

  1. Amicrowave telescope
  2. Boptical telescope
  3. Cradio telescope
  4. DX-ray telescope

As printed in the paper

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Correct answer: A. microwave telescope

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