Q. With reference to Radio Telescopes, consider the following statements:
1.Radio telescope is smaller as compared to an Optical Telescope.
2.The first radio telescope in India was set up before Independence.
Which of the statements given above is/are incorrect?

[A] 1 only

[B] 2 only

[C] Both 1 and 2

[D] Neither 1 nor 2

Answer: C
Notes:
  • Statement 1 is incorrect: Radio telescopes are bigger than Optical telescopes because the wavelengths of radio waves are so much larger than the wavelengths of visible light.
  • Statement 2 is incorrect: First radio telescope in India was set up near Mumbai in 1965.

Source: Article

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