Draw any two separate lines in a plane. Do they intersect at more than one point?

When two lines in the same plane may intersect?

Draw two lines on a paper as shown below. Do they intersect each other? Can you call them parallel lines? Give reason.

Draw two lines on a paper as shown below. Do they intersect each other? Can you call them parallel lines? Give reason. Make a pair of parallel lines what is the angle formed between them ? Think, discuss with your friends and teacher.

Two distinct lines cannot have more than one point in common.

Which of the following atomic model did not explained the fine line spectra of atoms of more than one electron ?

Which measure of central tendency is given by the x coordinate of the point of intersection of the more than ogive and less than ogive.