Question

The double napped right circular cone is shown in the figure.

Match the notations used in the figure given in Column I with their meaning given in Column II and choose the correct option from the codes given below.

Column I		Column II
A	$V$	1	Generator of cone
B	$l$	2	Slope of cone
c.	$m$	3	Vertex
		4	Axis of cone

• A. A- 3 ,B- 4 ,C- 1
• B. A- 3 ,B- 4 ,C- 2
• C. A- 3 ,B- 2 ,C- 1
• D. A-2,B- 4 ,C- 1

Answer 1

Answer: (A)

The point $V$ is called the vertex; the line $l$ is the axis of the cone; the rotating line is called a generator of the cone.