The velocities of two alpha particles entering a uniform magnetic field are in the ratio 2:3. What is the ratio of the radii of their circular path.

Two protons are entering perpendicular to a uniform magnetic field with velocities in the ratio 1:2. What is the ratio of the radius of the circular path they describe in the magnetic field?

The path of a charged particle entering parallel to uniform magnetic field will be

Two nuclei have mass numbers in the ratio 1:8. What is the ratio of their nuclear radii?

Two nuclei have mass numbers in the ratio 1:64. What is the ratio of their nuclear radii?

The base-radii of two cones are in the ratio '3: 5' and their heights are in the ratio '2: 3 .' What is the ratio of their volumes?

The diameters of two cylinders having the same height are in the ratio 2: 3 . a) What is the ratio of their radii? b) What is the ratio of their volumes? c) If volumes of two cylinders having the same height are in the ratio a : b , then what is the ratio of their radif?

The base radii of two cylinders of the same height are in the ratio 3: 4 . What is the ratio of their volumes?