Physics · Astrophysics and Radio Astronomy
Consider the following statements regarding Radio Galaxies: Statement I: Radio galaxies emit exceptionally strong radio waves due to relativistic jets powered by supermassive black holes. Statement II: The radio emission in radio galaxies primarily arises from thermal radiation of hot gas in the accretion disk. Statement III: Synchrotron emission caused by high-energy electrons moving in magnetic fields is responsible for the radiation observed from the radio lobes. Which one of the following is correct in respect of the above statements?
- 1Neither Statement II nor Statement III is correct.
- 2Only one of the Statements II and III is correct, and that explains Statement I.✓
- 3Both Statement II and Statement III are correct, but only one of them explains Statement I.
- 4Both Statement II and Statement III are correct, and both of them explain Statement I.
Correct answer
Only one of the Statements II and III is correct, and that explains Statement I.
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