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. | \(2~\text{eV}\) | 2. | \(2~\text{V}\) |
3. | \(1.1~\text{V}\) | 4. | \(6.4~\text{V}\) |
1. | \(A\) and \(B\) is same. | pressure on the base area of vessels
2. | \(A\) and \(B\) is not same. | pressure on the base area of vessels
3. | \(A\) and \(B\) weigh the same. | both vessels
4. | \(B\) weighs twice that of \(A\). | vessel
1. | \(2C\) | 2. | \(\dfrac{C}{2}\) |
3. | \(4C\) | 4. | \(\dfrac{C}{4}\) |