Mass of neutron is
A. 1.67 x 10-31 kg
B. 1.67 x 10-27 kg
C. 9.1 x 10-31 kg
D. 1.67 x 10-19 kg
Mass of neutron is Read More »
Physics
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
A particle having the mass of an electron and the charge of a proton is called a Read More »
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 neutron is Read More »
The charge on an electron was determine by
A. Ampere
B. Maxwell
C. Millikan
D. Thomson
The charge on an electron was determine by Read More »
Which of the following radiations possesses maximum velocity ?
A. α-rays
B. β-rays
C. γ-rays
D. All of above have the same speed
Which of the following radiations possesses maximum velocity ? Read More »
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
The fission chain reaction in a nuclear reactor can be controlled by introducing Read More »
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
Average energy required to remove one nucleon from the nucleus is called Read More »
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)
Radioactive decay obeys which one of the following law ? Read More »
The diameter of an atom is approximately
A. 10-12m
B. 10-11m
C. 10-10m
D. 10-14m
The diameter of an atom is approximately Read More »
The bombardment of nitrogen with alpha particles will produce
A. Neutron
B. Proton
C. Electron
D. Positron
The bombardment of nitrogen with alpha particles will produce Read More »