Radius Ratio

Statement -1 Radius ratios provide a rough idea to what structures are gemetrically possible Statement -2 Radius ratio often perdict the correct structure, but they do not always perdict the correct structure

The ratio of radius and circumference of a circle is :

In an atom the ratio of radius of orbit of electron to the radius of nucleus is

Ratio of radius of curvature to focal length.

A Cone, semi-sphere and cylinder are of equal height and radius The ratio of their volumes is

Ratio of radius of circumscribing circle to that of incircle of regular hexagon is

Problems of finding the ratio of volume/SA if ratio of radius and height of cones is given

Problems of finding the ratio of volume/SA if ratio of radius and height of cylinders is given

The ratio of radius of first orbit in hydrogen to the radius of first orbit in deuterium will be :

The ratio of radius of second orbit of hydrogen to the radius of its first orbit is :