For an object to escape from the surface of a celestial body, the kinetic energy of the object must be: __________? April 15, 2025 by admin A. Less than the gravitational potential energy of the body B. Equal to the gravitational potential energy of the body C. Greater than the gravitational potential energy of the body D. None of the aboveThe correct answer to the question:…
What would happen to the escape velocity if the mass of the Earth were doubled, keeping the radius the same? April 15, 2025 by admin A. It would remain the same B. It would increase by a factor of 2sqrt{2}2 C. It would double D. It would decrease by a factor of 2sqrt{2}2The correct…
How many layers does sun have ? April 15, 2025 by admin A. 6 B. 4 C. 7 D. 3The Sun is made up of three inner layers…
Which of following is the disease of eyes.? April 15, 2025 by admin A. Trachoma B. Glaucoma C. Cataract D. All of theseThe correct answer to the question: "Which…
Who discovered Uranus__________? April 15, 2025 by admin A. William Caxton B. John Davise C. Herschel D. ShellayThe correct answer to the question: "Who discovered Uranus__________?"…
Which is the outermost planet in the solar system? April 15, 2025 by admin A. Mercury B. Pluto C. Neptune D. UranusThe correct answer to the question: "Which is the…
Severe deficiency of Vitamin D results in __________. April 15, 2025 by admin A. scurvy B. rickets C. night blindness D. None of theseThe correct answer to the question: "Severe…
Long-sight defect could be corrected by using __________ lens? April 15, 2025 by admin A. concave B. Convex C. diverging D. none of these ALSO CHECK: Short-sight defect could be corrected…
Deficiency of Vitamin-A results in __________? April 15, 2025 by admin A. Night blindness B. rickets C. scurvy D. hair fallThe correct answer to the question: "Deficiency of…
The lifespan of Red Blood Cells is __________ days? April 15, 2025 by admin A. 60 B. 120 C. 180 D. 240The correct answer to the question: "The lifespan of…
