Geology and Geophysics
2026 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE GG-1 2026 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 40–42 of 65. Imported answers require review unless explicitly marked reviewed.
Question 40
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A sandstone bed has an orientation of 360°/45W. If the true thickness of the bed is 50 m, the width of the outcrop exposed on a flat surface is ________ m (rounded off to one decimal place).
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For a chemical system with 5 phases at the invariant point, the number of possible univariant reactions in pressure-temperature space is _____ (answer in integer).
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Two tectonic plates, P and Q, move in opposite directions along a transform fault boundary. If the plate velocity of P is 8 cm/year and of Q is 6 cm/year with respect to a fixed reference frame, the relative velocity between P and Q is ________ cm/year (answer in integer).
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