Question

For an infinitely long solid cylinder of radius $R$ having a uniform density, the gravitational field at a distance $r_{1}$ is $E_{1}$ and at a distance $r_{2}$ is $E_{2}$ , then

• A. $E_{1} < E_{2}$ for $r_{1} < r_{2} < R$
• B. $E_{1}>E_{2}$ for $R < r_{1} < r_{2}$
• C. both 1 and 2
• D. none of the above

Answer 1

Answer: (C)

Graph of gravitational field versus distance from axis for a solid cylinder is given below