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

Related Mcqs:

1. 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

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

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

3. The charge on alpha particles is________________?

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

4. 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

5. Distance covered by a freely falling body in 2 seconds will be__________________?

   A. 4.9 m
   B. 19.6 m
   C. 39.2 m
   D. 44.1 m

6. The distance covered by a body in time t starting from rest is__________________?

   A. at2/2
   B. Vt
   C. a2t/2
   D. at2

7. The distance covered by a body in one complete vibration is 20cm. What is the amplitude of body ___________________?

   A. 10 cm
   B. 5 cm
   C. 15 cm
   D. 7.5 cm

8. The average power and instantaneous power become equal if work is done at __________________?

   A. any rate
   B. at variable rate
   C. at uniform rate
   D. at high rate

9. 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

10. An alpha particle can produce fluorescence in__________________?

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