In the context of modern scientific research, consider the following statements about 'IceCube', a particle detector located at South Pole, which was recently in the news: 1. It is the world's largest neutrino detector, encompassing a cubic kilometre of ice. 2. It is a powerful telescope to search for dark matter. 3. It is buried deep in the ice. Which of the statements given above is/are correct? (a) 1 only (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2 and 3

Stories on this topic

• Physics Nobel 2026 goes to Francis Halzen for the IceCube neutrino observatory 7 October 2026

  The same detector has now won a Nobel; the story's facts on its cubic kilometre of ice and its 1,450 to 2,450 metre depth settle statements 1 and 3.

  Facts from this story you can cite
  • Francis Halzen of the University of Wisconsin-Madison won the unshared 2026 Nobel Prize in Physics for IceCube and the discovery of high-energy astrophysical neutrinos.
  • IceCube has 5,160 sensors on 86 strings, 1,450 to 2,450 metres deep in about one cubic kilometre of South Pole ice.
  • IceCube sees neutrinos indirectly, through Cherenkov light from charged particles created when a neutrino hits a nucleus in the ice.

Where it sits in the syllabus

• Prelims: General science

  General Science.

• Prelims: Current events

  Current events of national and international importance.

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