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 16–18 of 65. Imported answers require review unless explicitly marked reviewed.
Question 16
Open questionGGNAT1 markNeeds review
A pebble has an average diameter of 8 mm. Its
-value on the Udden-Wentworth scale is __________ (answer in integer).Log in to check the answer
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Open questionGGNAT1 markNeeds review
A quartz vein in a granitic outcrop has an initial length of 20 cm. If it undergoes uniform stretching resulting in a longitudinal strain of 0.45, the length of the vein post deformation is ________cm (answer in integer).
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Open questionGGMCQ2 marksNeeds review
Which one of the following is the CORRECT pair of radioactive parent isotope and the corresponding radiogenic daughter isotope?
Your answerChoose one option.
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