Let \(V\) and \(E\) be the gravitational potential and gravitational field at a distance \(r\) from the centre of a uniform spherical shell. Consider the following two statements:
(A) | The plot of \(V\) against \(r\) is discontinuous. |
(B) | The plot of \(E\) against \(r\) is discontinuous. |
1. | Both (A) and (B) are correct. |
2. | (A) is correct but (B) is wrong. |
3. | (B) is correct but (A) is wrong. |
4. | Both (A) and (B) are wrong. |
Let V and E represent the gravitational potential and field at a distance r from the centre of a uniform solid sphere. Consider the two statements:
(A): | The plot of V against r is discontinuous. |
(B): | The plot of E against r is discontinuous. |
1. | Both A and B are correct |
2. | A is correct but B is wrong |
3. | B is correct but A is wrong |
4. | Both A and B are wrong |
Inside a uniform spherical shell:
(a) | the gravitational potential is zero. |
(b) | the gravitational field is zero. |
(c) | the gravitational potential is the same everywhere. |
(d) | the gravitational field is the same everywhere. |
Choose the correct option:
1. | (a), (b) and (c) |
2. | (b), (c) and (d) |
3. | (a) and (b) |
4. | (b) and (c) |