UPSC NDA (II) 2023: previous year paper (82 questions)

• 82 questions
• 98 minutes
• +1 right · no negative marking
• 0 students ranked

82 questions from this paper (of the 90 we have; questions we could not answer reliably are left out) in the paper's order. Answers come from our checked MCQ bank or, where the paper had no answer key, from an AI check: confirm with the commission's official key.

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First questions

1. The particles on the path of light beams are visible to us because
2. The flash of lightning is seen before the thunderstorm is heard. It verifies that
3. The potential difference between the two end terminals of an electric heater is 220 V and the current through it is 0·5 A. What would be the current through the heater if the potential difference across the terminals of the heater is reduced to 120 V ?