Two identical charged particles enter a uniform magnetic field with same speed but at angles `30^(@)` and `60^(@)` with field Let a,b and c be the ratio of their time periods, radii and pitches of the helical paths than .

Two identical charged particles enter a uniform magnetic field with the same speed but at angles 30^(@) and 60^(@) with the field. Let a, b and c be the ratios of their time periods, radii and pitches of the helical paths. Then

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

A charged particle enters a uniform magnetic field perpendicular to it. The magnetic field

A charged particle enters a uniform magnetic field perpendicular to it. The magnetic field

A charged particle enters at 30^@ to the magnetic field. Its path becomes.