1. | The coefficient of viscosity is a scalar quantity. |
2. | Surface tension is a scalar quantity. |
3. | Pressure is a vector quantity. |
4. | Relative density is a scalar quantity. |
1. | The principle of perpendicular axes |
2. | Huygen's principle |
3. | Bernoulli's principle |
4. | The principle of parallel axes |
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
Air is pushed carefully into a soap bubble of radius \(r\) to double its radius. If the surface tension of the soap solution is \(T,\) then work done in the process is:
1. | \(12\pi r^2T\) | 2. | \(24\pi r^2T\) |
3. | \(4\pi r^2T\) | 4. | \(8\pi r^2T\) |