A particle having the mass of an electron and the charge of a proton is called a______________?
A. Antiproton
B. Positron
C. Gamma rays
D. Photon
The charge on neutron is_______________?
The charge on neutron is_______________?
A. Plus 1.6 x 10-19C
B. Zero
C. Minus 1.6 x 10-19C
D. No definite charge
The charge on an electron was determine by ________________?
The charge on an electron was determine by ________________?
A. Ampere
B. Maxwell
C. Millikan
D. Thomson
Which one of the following radiations possesses maximum velocity ?
Which one of the following radiations possesses maximum velocity ?
A. α-rays
B. β-rays
C. γ-rays
D. All of above have the same speed
The fission chain reaction in a nuclear reactor can be controlled by introducing _______________?
The fission chain reaction in a nuclear reactor can be controlled by introducing _______________?
A. Iron rods
B. Graphite rods
C. Cadmium rods
D. Platinum rods
Average energy required to remove one nucleon from the nucleus is called__________________?
Average energy required to remove one nucleon from the nucleus is called__________________?
A. Binding energy per nucleon
B. Energy of decay
C. Destruction energy
D. All of above
Radioactive decay obeys which one of the following law ?
Radioactive decay obeys which one of the following law ?
A. N=Noe-λt
B. N=Noeλt
C. N=Noe-λt/2
D. No=N(1+eλt)
The diameter of an atom is approximately_______________?
The diameter of an atom is approximately_______________?
A. 10-12m
B. 10-11m
C. 10-10m
D. 10-14m
The bombardment of nitrogen with alpha particles will produce______________?
The bombardment of nitrogen with alpha particles will produce______________?
A. Neutron
B. Proton
C. Electron
D. Positron
Mass defect per nucleon is ___________________?
Mass defect per nucleon is ___________________?
A. The binding energy of the nucleus
B. Packing fraction
C. The average energy of the nucleus
D. All of above are one and the same thing