1. | primary rainbow is due to double internal reflection and is formed above the secondary one. |
2. | primary rainbow is due to double internal reflection and is formed below the secondary one. |
3. | secondary rainbow is due to double internal reflection and is formed above the primary one. |
4. | secondary rainbow is due to a single internal reflection and is formed above the primary one. |
1. | \(2\) eV | 2. | \(2\) V |
3. | \(1.1\) V | 4. | \(6.4\) V |
1. | pressure on the base area of vessels \(A\) and \(B\) is same. | 2. | pressure on the base area of vessels \(A\) and \(B\) is not same. |
3. | both vessels \(A\) and \(B\) weigh the same. | 4. | vessel \(B\) weighs twice that of \(A\). |
1. | \(2C\) | 2. | \(\frac{C}{2}\) |
3. | \(4C\) | 4. | \(\frac{C}{4}\) |
1. | \(\frac{I}{2}\) | 2. | \(\frac{I}{3}\) |
3. | \(\frac{3I}{4}\) | 4. | \(\frac{2I}{3}\) |
1. | 2. | ||
3. | 4. |