1. | 2. | ||
3. | 4. |
1. | \(8\) | 2. | \(11\) |
3. | \(9\) | 4. | \(10\) |
1. | \(25:16\) | 2. | \(1:1\) |
3. | \(4:5\) | 4. | \(5:4\) |
Assertion (A): | The stretching of a spring is determined by the shear modulus of the material of the spring. |
Reason (R): | A coil spring of copper has more tensile strength than a steel spring of the same dimensions. |
1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
3. | (A) is False but (R) is True. |
4. | (A) is True but (R) is False. |
1. | \(1.5\times 10^{-6}~\text{J}\) | 2. | \(4.5\times 10^{-6}~\text{J}\) |
3. | \(3.25\times 10^{-6}~\text{J}\) | 4. | \(2.25\times 10^{-6}~\text{J}\) |
1. | a linearly decreasing function of distance upto the boundary of the wire and then a linearly increasing one for the outside region. |
2. | uniform and remains constant for both regions. |
3. | a linearly increasing function of distance upto the boundary of the wire and then a linearly decreasing one for the outside region. |
4. | a linearly increasing function of distance \(r\) upto the boundary of the wire and then decreasing one with \(1/r\) dependence for the outside region. |
1. | A | B | C | 2. | A | B | C |
0 | 0 | 0 | 0 | 0 | 0 | ||
0 | 1 | 1 | 0 | 1 | 1 | ||
1 | 0 | 0 | 1 | 0 | 1 | ||
1 | 1 | 1 | 1 | 1 | 0 | ||
3. | 0 | 0 | 1 | 4. | 0 | 0 | 1 |
0 | 1 | 0 | 0 | 1 | 0 | ||
1 | 0 | 0 | 1 | 0 | 1 | ||
1 | 1 | 1 | 1 | 1 | 0 |