Ans: (c)
358. Cyclotron is an apparatus used
   (a) as an accelerator for imparting energies to charged particles of atomic
   (b) to reduce the charge on a particle
   (c) to produce intense magnetic field
   (d) to produce intense electrical field
Ans: (a)
359. A hydrogen bomb is based on
   (a) nuclear fusion
   (b) nuclear fission
   (c) Both (a) and (b) above
   (d) Neither (a) nor (b)
Ans: (a)
360. Compared to the atomic bomb, the destructive power of a hydrogen bomb
   (a) greater
   (b) less
   (c) equal
   (d) can"t be determined
Ans: (a)
361. The principle of equivalence of mass and energy was established by
   (a) Dalton
   (b) Rutherford
   (c) Einstein
   (d) Planck
Ans: (c)
362. Match the following Items In Column-I with those found in Column-II:
   Column-I                Column-II
   A. Gamma rays           1. contains 2 protons 2 neutrons and 2 electrons
   B. Helium atom          2. number of protons in an atom