When do you say light rays are diverging?

When do you say that a solution is dilute solution?

When do you say that triangleABC ~= triangleDEF ? (Use S.S.S. congruent rule).

What do you say that two or more resistance are conneted in series ?

Living things and non living things : Do you know that you are a living being? How can you.say that?

How do you say that the gas released in the experiment is oxygen?

When a light ray travelling parallel to principal exis falls on concave mirror, then what is the path of reflected ray ?

Draw two squares of different sides. Can you say they are similar? Explain. Find the ratio of their perimeters and areas. What do you observe?