Question

A cone of radius 10cm is cut into two parts by a place through the mid point of its vertical to the base .find the ratio of the volumes of the smaller cone and frustum of a cone.​

Answer 1

Answer:

Assertion li,na and k forms a dobereiner traids beause the atomc mass of the middle element is roughly the average of the atomic Mass of other two element.

Reason dobereiner arranged element on the basis of increasing atomic number.The height of a ccone is 30cm. A small cone is cut off at the top by a plane parallel to the base, if its volume..