During an encounter with an atom alpha particle knocks out ______________?

Related Mcqs:

1. The penetration power of alpha particle as compared to beta particle is_______________?

   A. 10 times more
   B. 100 times more
   C. 100 times less
   D. 10 times less

2. An alpha particle is emitted from 88Ra226. What is the mass and atomic number of the daughter nucleus ?

   A. 224 – 84
   B. 220 – 80
   C. 222 – 86
   D. 226 – 87

3. The path of alpha particle is_______________?

   A. Rectilinear
   B. Curved
   C. Zig-zag or erratic
   D. Elliptical

4. Alpha particle ionizes an atom_________________?

   A. Through direct collision
   B. Through electrostatic attraction
   C. Through electrostatic repulsion
   D. All of above

5. An alpha particle in a single encounter__________________?

   A. Loses a small fraction of its energy
   B. Losses most of its energy
   C. Loses no energy at all
   D. Loses all of its energy

6. An alpha particle can produce fluorescence in__________________?

   A. ZnS
   B. Barium platinocyanide
   C. Calcium tungstate
   D. All of above

7. The bombardment of nitrogen with alpha particles will produce______________?

   A. Neutron
   B. Proton
   C. Electron
   D. Positron

8. The charge on alpha particles is________________?

   A. Plus one
   B. Plus two
   C. Minus two
   D. Minus one

9. Average distance covered by alpha particles in the air before its ionizing power ceases is called its_________________?

   A. Trajectory
   B. Range
   C. Firing level
   D. Limit

10. Alpha particles possess greater penetration power than that of beta particles due to its_____________?

    A. Smaller ionization power
    B. Greater ionization power
    C. Neither greater nor smaller ionization power
    D. Same ionization power