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A neutron, a proton, an electron and an a-particle enters a uniform magnetic field with equal velocities. The field is directed along the inward normal to the plane of the paper. Which of these tracks followed are by a - particle.

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B
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MOTION-MAGNETISM -EXERCISE-1
  1. Magnetic lines of force are

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  2. A charged particle is accelerated through a potential difference of 24...

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  3. A neutron, a proton, an electron and an a-particle enters a uniform ma...

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  4. A charged particle moves in a magnetic field vecB=10hati with initia...

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  5. Electrons moving with different speeds enter a unifrom magnetic field ...

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  6. A proton of mass 1.67xx10^(-27)kg and charge 1.6xx10^(-19)c is projec...

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  7. H^(+),He^(+) and O^(2+) all having the same kinetic energy pass throug...

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  8. A particle having charge of 1.C , mass 1kg and speed 1m//s enters a un...

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  9. A square loop ABCD , carrying a current I, is placed near and coplanar...

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  10. A particle having charge q enters a region of uniform magnetic field v...

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  11. A current carrying loop is placed in a uniform magnetic field. The tor...

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  12. The time period of viberation of two magnets in sum position (magnets ...

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  13. A toroid of mean radius 'a', cross section radius 'r' and total number...

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  14. A conducting ring of mass 2kg and radius 0.5m is placed on a smooth pl...

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  15. Figure shows a coil of single turn wound on a sphere of radius R and m...

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  16. A thin non conducting disc of radius R is rotating clockwise (see figu...

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  17. A rectangular coil PQ has 2n turns an area 2a and carries a current 2I...

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  18. Points A and B are situated perpendicular to the axis of a 2cm long ba...

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  19. A conductor of length l is placed in E - W direction on a plane. Earth...

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  20. The most suitable metal for permanent magnet is

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