Thyroid cancer is cured by:
Thyroid cancer is cured by:
Sodium-24 | |
Iodine-131 | |
Carbon-14 | |
Cesium-137 |
Physics MCQS
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The most useful tracer is:
The most useful tracer is:
Carbon-14 | |
Iodine-31 | |
Strontium -90 | |
Cobalt-60 |
Circulation of blood can be studied by using radioactive isotope.
Circulation of blood can be studied by using radioactive isotope.
Sodium-24 | |
Cobalt-60 | |
Iodine-131 | |
Phosphours-32 |
Gamma rays from cobalt-60 are used for treatment of:
Gamma rays from cobalt-60 are used for treatment of:
Heart Attack | |
Thyroid glands | |
Cancer | |
Circulation of blood |
The background radiation to which we are exposed, on the average is:
The background radiation to which we are exposed, on the average is:
4 mSv per year | |
2 mSv per year | |
1 mSv per year | |
3 mSv per year |
Curie is unit of:
Curie is unit of:
Binding energy | |
Conductivity | |
Resistivity | |
Radioactivity |
One gray (gy) is equal to:
One gray (gy) is equal to:
1.6×10-19J/kg | |
4J/kg | |
1J/kg | |
1.6×10-10J/kg |
For workers in nuclear facilities, a weekly does of-is normally considered safe.
For workers in nuclear facilities, a weekly does of-is normally considered safe.
5.0 msv | |
1.0 msv | |
3.0 msv | |
2.0 msv |
gray (Gy) is equal to:
gray (Gy) is equal to:
1kgJ-1 | |
1Jkg-1 | |
1Jkg-2 | |
1Jkg |
Absorbed Dose “D” is defined as:
Absorbed Dose “D” is defined as:
M/E | |
C/M | |
E/M | |
E/C |
Hydrogen bomb is an example of:
Hydrogen bomb is an example of:
Chemical reaction | |
Nuclear fission | |
Nuclear fusion | |
Chain reation |
The moderator used in a nuclear reactor:
The moderator used in a nuclear reactor:
Uranium | |
Sodium | |
Cadmium | |
Graphite |
Nuclear fission chain reaction is controlled by using:
Nuclear fission chain reaction is controlled by using:
Steel rods | |
Cadmium rods | |
Iron rods | |
Platinum rods |
The quantity of <sup>235</sup><sub>92</sub> in the naturally occurring uranium is:
The quantity of 23592 in the naturally occurring uranium is:
0.3 % | |
0.7 % | |
0.4 % | |
0.2 % |
When nitrogen is bombarded by alpha particles, nitrogen nucleus changes into:
When nitrogen is bombarded by alpha particles, nitrogen nucleus changes into:
Carbon (C) | |
Berium (Be) | |
Helium (He) | |
Oxygen (O) |
Energy needed to produce an electron hole in solid state detector is:
Energy needed to produce an electron hole in solid state detector is:
3 to 4ev | |
8 to 9ev | |
1 to 2ev | |
6 to 7ev |
The dead time of Geiger-Muller counter is of the order of:
The dead time of Geiger-Muller counter is of the order of:
Micro second | |
More than millisecond | |
Nanosecond | |
Millisecond |
The dead time of G.M tube is:
The dead time of G.M tube is:
10-6Sec | |
10-3Sec | |
10-8Sec | |
10-4Sec |
A device that shows the visible path of ionizing particle is called:
A device that shows the visible path of ionizing particle is called:
Scalar | |
Wilson Cloud chamber | |
GM counter | |
Solid state detector |
Gm-counter uses:
Gm-counter uses:
Neon and bromine | |
Alcohol only | |
Argon | |
Bromine |