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GATE 2017 CS (CS2) – Question 10

General Aptitude · Spatial Aptitude: Spatial Reasoning and Visualization · 2 marks · Multiple choice

An air-pressure contour joins locations of equal atmospheric pressure. The shown contours occur at 0.05 bar intervals. Thunderstorm possibility depends on how rapidly pressure rises or falls across a region. Which region P,Q,R,S is most likely to have a thunderstorm?

Diagram for GATE 2017 CS (CS2) question 10
  1. P
  2. Q
  3. R
  4. S

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Show answer and explanation

Correct answer: (C) R

Explanation

For equal contour increments, closer lines mean a larger pressure gradient: a fixed pressure change occurs over a shorter horizontal distance. The contours are closest near R, so the pressure changes most rapidly there. Therefore region R, option C.

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