Nuclear Physics

Cyclotron is used to accelerate.............

• proton only

• alpha particles only

• electron only

• proton & alpha particle

The positive ion accelerator is ........

• betatron

• cyclotron

• synchrocyclotron

• non of these

In a synchrocyclotron.....

• magnetic field is varied, frequency is kept constant

• frequency is varied , magnetic field is kept constant

• both magnetic field & frequency is kept constant

• both magnetic field & frequency is varied

Betatron is a device to accelerate ......

• proton

• electron

• both proton & electron

• none of these

In Synchrocyclotron only ......... is used.

• one dee

• two dees

• three dees

• none of these

A particle accelerator is machine to increase the kinetic energy of ........

• electrically charged particles

• uncharged particles

• neutrons only

• both charged & uncharged particles

Batatron accelerates electron upto.......

• 200 Mev

• 400 Mev

• 300 Mev

• 100 Mev

In electron synchrotron, the electron travels at constant speed, provided that........

• the increase in mass with increase in energy

• the increase in mass with decrease in energy

• the decrease in mass with increase in energy

• none of these

In a betatron , electron are injected into the chamber at the begining of each quarter cycle when...

• field begins to increase in the up direction

• field begins to increase in the down direction

• magnetic field produce induced e.m.f

• electron produce induced e.m.f