1. | The principle of perpendicular axes |
2. | Huygen's principle |
3. | Bernoulli's principle |
4. | The principle of parallel axes |
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. | is equal to the atmospheric pressure | 2. | decreases |
3. | increases | 4. | remains the same |
The correct statement about the variation of viscosity of fluids with an increase in temperature is:
1. | viscosity of gases decreases. |
2. | viscosity of both liquids and gases increases. |
3. | viscosity of liquids increases. |
4. | viscosity of liquids decreases. |