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 10–12 of 65. Imported answers require review unless explicitly marked reviewed.
Question 10
Open questionGAMCQ2 marksNeeds review
Circles
,
, and
, with centers
,
, and
, and radii
,
, and
, respectively, touch each other as shown in the following figure. Given
cm,
cm and the angle
is
,
_____ cm. 
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 11
Open questionGGMCQ1 markNeeds review
Which one of the following increases over time when the soil is fully saturated?
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 12
Open questionGGMCQ1 markNeeds review
In which one of the following layers inside the Earth, the velocity of the P-wave exceeds 13 km/s?
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer