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Consider the following phenomena: 1. Light is affected by gravity. 2. The Universe is constantly expanding. 3. Matter warps its surrounding space-t
In the context of modern scientific research, consider the following statements about ‘IceCube’, a particle detector located at South Pole, which was
Consider the following phenomena: 1. Size of the sun at dusk 2. Colour of the sun at dawn 3. Moon being visible at dawn 4. Twinkle of stars in the
Which of the following have species that can establish symbiotic relationship with other organisms? 1. Cnidarians 2. Fungi 3. Protozoa Select the
With reference to recent developments regarding 'Recombinant Vector Vaccines', consider the following statements: 1. Genetic engineering is applied i
The correct answer is option (c): 1 and 3 only. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
This question was asked in UPSC CSE Prelims 2021, GS Paper 1, as Question 68. It falls under Science & Technology > Physics.
This question is rated "moderate". It requires sound conceptual understanding of the topic.
UPSC has asked 101 questions from Physics (under Science & Technology) across multiple years. Visit the topic page to see the full list and year-wise trends.