Answer:
Shape 3 will be formed
Step-by-step explanation:
Shape I is obviously the one obtained by rotating a single straight line around axis of symmetry. In this case a cone or frustrum of cone is obtained. But we have a funnel hence option I is incorrect
Shape II is got by rotating a trapezoid along with a line on top which gives the desired figure hence not right.
Shape 4 is got by roating a quadrant circle with another small quadrant circle on top hence incorrect.
Shape 3 is right because when we rotate the picture in the diagram around a vertical line we can get a funnel only.
THis is because straight line on top will give the cylinder part of funnel and down cone type will be given by the slant line.
Shape 3 is right