IceCube particle detector
Question
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:
Which of the statements given above is/are correct?
- 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.
Options
1 only
2 and 3 only
1 and 3 only
1, 2 and 3
Explanation
IceCube is indeed the world's largest neutrino detector, encompassing a cubic kilometer of Antarctic ice with embedded sensors (Statement 1 is correct). The detector is buried deep within the Antarctic ice sheet, with sensors positioned at various depths (Statement 3 is correct). However, IceCube is specifically designed to detect high-energy neutrinos from cosmic sources, not to search for dark matter directly (Statement 2 is incorrect). While neutrino detection has some connection to dark matter research, IceCube's primary function is neutrino astrophysics, not dark matter search. The facility became operational in 2009 and has made important discoveries in neutrino astrophysics. > IceCube detects cosmic neutrinos through Antarctic ice instrumentation, not dark matter. Answer: (c).
Question details
Year
2015
Paper
GS Paper 1
Question
Q30
Subject
Science & Technology
Sub-topic
Astronomy and particle physics research
Type
Statement-based
Difficulty
Medium
Nature
Current-affairs-linked
Source hint
Current Affairs 2014 - Science & Technology
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