Using a set square and a ruler, test whether `l || m` in each of the following cases:

Find the value of in each of the following cases:

Find the value of x in each of the following figures if l| m.

Draw a rough figure and label suitably in each of the following cases: Line l contains E and F but not D

Give the possible value for the missing quantum number (s) in each of the following sets. (a) n=3, l=0, m_(l)=? , (b) n=3, l=?, m_(l)=-1 (c) n=?, l=1, m_(l)=+1 , (d) n=?, l=2, m_(l)=? .

Draw a line l. Take any point P on the line. Using a set square, draw a line perpendicular to the line l at the point p.

State whether the following sets are finite or infinite:

Determine whether the following are perfect squares. 484

Show that each of the following numbers is a perfect square. Also, find the number whose square is the given number in each case: (i)1156 (ii) 2025 (iii) 14641 (iv) 4761

Find the square root of each of the following numbers, without the use of calculator. 16