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2 questions · 2023 · answers as per the UPSC key

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UPSC 2023 · Q5 · Geography › Physical Geography & Geomorphology · Save

Which one of the following is the best example of repeated falls in sea level, giving rise to present-day extensive marshland?

(a) Bhitarkanika Mangroves
(b) Marakkanam Salt Pans
(c) Naupada Swamp
(d) Rann of Kutch
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Answer: (d) Rann of Kutch
UPSC 2023 · Q65 · Geography › Physical Geography & Geomorphology · Save

Consider the following statements :

  1. In a seismograph, P waves are recorded earlier than S waves.
  2. In P waves, the individual particles vibrate to and fro in the direction of wave propagation whereas in S waves, the particles vibrate up and down at right angles to the direction of wave propagation.

Which of the statements given above is/are correct?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
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Answer: (c) Both 1 and 2