Geology and Geophysics
2021 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE GG-1 2021 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 64–65 of 65. Imported answers require review unless explicitly marked reviewed.
Question 54
Open questionGG - G1NAT2 marksNeeds review
The first and second dissociation constants of H₂CO₃ are 6.71 × 10⁻⁷ and 4.68 × 10⁻¹¹, respectively. If the concentration of H₂CO₃ is 1 mol and pH = 6, the ∑CO₂ in the solution (assuming ideal condition) is ______ mol. [round off to 3 decimal places]
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Open questionGG - G1NAT2 marksNeeds review
A satellite orbits the earth at an altitude of 700 km on the equatorial plane of the earth and it revolves in the same direction as the direction of rotation of the earth. Considering the radius of a spherical earth as 6300 km and the acceleration due to gravity as 10 m/s², the tangential velocity of the satellite in the orbit is ______ km/s. [round off to 2 decimal places]
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