Home
Class 12
PHYSICS
A proton is rotating along a circular p...

A proton is rotating along a circular path with kinetic energy K in a uniform magnetic field B. If the magnetic is made four times, the kinetic energy of rotation of proton is

A

16K

B

8K

C

4K

D

K

Text Solution

Verified by Experts

The correct Answer is:
D
`E = (Q^2 B^2 R^2)/(2m)`
Promotional Banner

Topper's Solved these Questions

  • MOVING CHARGES AND MAGNETISM

    NARAYNA|Exercise EXERCISE - 1(H.W) (CYCLOTRON)|2 Videos

  • MOVING CHARGES AND MAGNETISM

    NARAYNA|Exercise EXERCISE - 1(H.W) (FORCE ON CURRENT CARRYING CONDUCTOR IN A MAGNETIC FIELD)|1 Videos

  • MOVING CHARGES AND MAGNETISM

    NARAYNA|Exercise EXERCISE - 1(H.W) (SOLENOID AND TOROID)|1 Videos

  • MAGNETISM AND MATTER

    NARAYNA|Exercise EXERCISE - 4 (SINGLE ANSWER TYPE QUESTION)|17 Videos

  • NUCLEAR PHYSICS

    NARAYNA|Exercise LEVEL-II-(H.W)|9 Videos

Similar Questions

Explore conceptually related problems

When a charged particle enters a uniform magnetic field its kinetic energy

The rotational kinetic energy is -

A proton and an alpha particle move in circular paths in a plane perpendicular to a uniform magnetic field. If the kinetic energy of the two particles is equal, the ratio of the radii of their paths is _________.

A proton of mass m and charge q is moving in a plane with kinetic energy E. if there exists a uniform magnetic field B, perpendicular to the plane motion. The proton will move in a circular path of radius

A proton (p) , alpha -particle and deuteron (D) are moving in circular paths with same kinetic energies in the same magnetic field.Find the ratio of their and time periods.(neglect interaction between particles)

A proton and an alpha - particle is projected with equal kinetic energy in transverse uniform magnetic field B. The ratio of radii of proton to that of alpha particle is