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AKANSH DHULLAIR 3· 2025

Question Q8GS3GS2

What makes dark matter difficult to detect? Also, analyse how the search for the elusive dark matter has influenced the trailing of modern pursuits in science.

Open scan (p.18)

Main Body

Dark Matter composed 26% of the Universe is how intractable integral to matter in universe and help in maintaining gravitational pull of Universe.

Difficulty to Detect:

Lack of interaction with other sources (e.g. electromagnetic waves)

— AKANSH DHULL · AIR 3

36 words2 paragraphs1 bullet points
Answer continues on next page
  • Provided quantitative information about dark matter composition
  • Started explaining detection challenges
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Topper

AKANSH DHULL

AIR 32025

Subject & Paper

GS3GS2

Topic

Physics and Cosmology

Dark Matter

Detection Challenges and Scientific Impact

Writing Stats

36

Total words

2

Paragraphs

1

Bullets

Linked PYQ

As a senior officer in the Ministry, you have access to important policy decisions and upcoming big announcements such as road construction projects before they are notified in the public domain. The Ministry is about to announce a mega road project for which the drawings are already in place. Sufficient care was taken by the planners to make use of the government land with the minimum land acquisition from private parties. The compensation rate for private parties was also finalized as per government rules. Care was also taken to minimize deforestation. Once the project is announced, it is expected that there will be a huge spurt in real estate prices in and around that area. Meanwhile, the Minister concerned insists that you realign the road in such a way that it comes closer to his 20-acre farmhouse. He also suggests that he would facilitate the purchase of a big plot of land in your wife’s name at the prevailing rate which is very nominal, in and around the proposed mega road project. He also tries to convince you by saying that there is no harm in it as he is buying the land legally. He even promises to supplement your savings in case you do not have sufficient funds to buy the land. However, by the act of realignment, a lot of agricultural lands has to be acquired, thereby causing a considerable financial burden on the government, and also the displacement of the farmers. As if this is not enough, it will involve cutting down of a large number of trees denuding the area of its green cover. Faced with this situation, what will you do? Critically examine various conflicts of interest and explain what your responsibilities are as a public servant.

20M2018Critically examine