Q. What are the 3 fundamental unit of measurement?
There are three fundamental units we’ll deal with in this course: length, time, and mass. We’ll see shortly how other quantities of physical interest can be made out of these three units.
Q. What is fundamental unit example?
noun. 1Each of a set of unrelated units of measurement, which are arbitrarily defined and from which other units are derived. For example, in the SI system the fundamental units are the metre, kilogram, and second.
Q. What is the SI unit of surface tension Class 11?
SI unit of surface tension is Newton per metre. Surface tension is defined as the ratio between force and length.
Q. What is surface tension for kids?
Surface tension is an effect where the surface of a liquid is strong. The surface can hold up a weight, and the surface of a water droplet holds the droplet together, in a ball shape. Some small things can float on a surface because of surface tension, even though they normally could not float.
Q. Can surface tension be broken?
The stronger the bonds are between the molecules in water, the greater the surface tension. However, the surface tension of water can be broken by adding certain substances such as detergents. Adding detergent to water weakens the bonds between the surface molecules, making them spread apart.
Q. What is milk surface tension?
The Surface tension of milk: Surface tension of milk falls in the range of 40 to 60 dynes/cm. Water has a surface tension of 72.75 dynes/cm at 20 0 C. The lower value of milk compared to water is due to substances which lowers the surface tension of milk. Notably, these include fat and protein.
Q. Which has higher surface tension milk or water?
Summary. Methods of measurement of surface tension applicable to milk have been reviewed. Free fatty acids and proteins appear to be the surface-active constituents causing the surface tension of milk or milk products to be lower than that of water.
