Atomic and Nuclear Physics Test 02

Total Questions: 21

1 - What happens to the atomic number of an element which emits one alpha particle and a beta particle:

A ) Increasrd by 1
B ) Stays the same
C ) decreased by 2
D ) decreased by 1 ✅

2 - The diagnoes the brain tumor, it is used:

A ) Iodine -131
B ) Phosphorus - 32 ✅
C ) Cobalt -60
D ) Corbon-14

3 - Radioactive cobalt 60 is used for curing:

A ) Cancerous cells ✅
B ) AIDS
C ) Poliomyelitis
D ) T.B.

Explanation:
  1. Radioactivity was  discovered by Becquerel.
  2. Radioactivity emerges from: Nuclear energy.
  3. Radioactivity is measured by which device Geiger counter.
  4. Thorium metal is not only magnetic but also radioactive Radioactive element are Plutonium, Thorium, Uranium.
  5.  Alpha rays is a positively charged particle emitted by a radioactive element.
  6. A negatively charged particle emitted by a radioactive element during radioactive decay is called a Beta particle.
  7. Radioactive isotopes are used in medicine for both diagnostic imaging and treatment.
  8. A 100 g sample of a radioactive element has a half life of 5 days. 12.5grams of radioactive material will remain after 15 days.
  9. Radioactive elements have atomic number greater than82.
  10. Weak Nuclear Force is responsible for the radioactive decay of the nucleus.
  11. The radioactive material must be placed in a box of Lead.
  12. Radioactive cobalt 60 is used for curing: Cancerous cells.
  13. Radioactive isotope present in atmosphere is: carbon -14.
  14. Unstable nuclei  are radioactive.When radioactivity rays are passed through air or any gas, they cause it to Ionize.

4 - The radioactive material must be placed in a box of:

A ) carbon
B ) lead ✅
C ) silicone
D ) selenium

Explanation:
  1. Radioactivity was  discovered by Becquerel.
  2. Radioactivity emerges from: Nuclear energy.
  3. Radioactivity is measured by which device Geiger counter.
  4. Thorium metal is not only magnetic but also radioactive Radioactive element are Plutonium, Thorium, Uranium.
  5.  Alpha rays is a positively charged particle emitted by a radioactive element.
  6. A negatively charged particle emitted by a radioactive element during radioactive decay is called a Beta particle.
  7. Radioactive isotopes are used in medicine for both diagnostic imaging and treatment.
  8. A 100 g sample of a radioactive element has a half life of 5 days. 12.5grams of radioactive material will remain after 15 days.
  9. Radioactive elements have atomic number greater than82.
  10. Weak Nuclear Force is responsible for the radioactive decay of the nucleus.
  11. The radioactive material must be placed in a box of Lead.
  12. Radioactive cobalt 60 is used for curing: Cancerous cells.
  13. Radioactive isotope present in atmosphere is: carbon -14.
  14. Unstable nuclei  are radioactive.When radioactivity rays are passed through air or any gas, they cause it to Ionize.

5 - Co-60 emits high energy:

A ) alpha rays
B ) beat rays
C ) gamma rays
D ) gamma rays ✅

6 - Which one is not radioactive element:

A ) Uranium
B ) Polonium
C ) Thorium
D ) Sodium ✅

Explanation:
  1. Radioactivity was  discovered by Becquerel.
  2. Radioactivity emerges from: Nuclear energy.
  3. Radioactivity is measured by which device Geiger counter.
  4. Thorium metal is not only magnetic but also radioactive Radioactive element are Plutonium, Thorium, Uranium.
  5.  Alpha rays is a positively charged particle emitted by a radioactive element.
  6. A negatively charged particle emitted by a radioactive element during radioactive decay is called a Beta particle.
  7. Radioactive isotopes are used in medicine for both diagnostic imaging and treatment.
  8. A 100 g sample of a radioactive element has a half life of 5 days. 12.5grams of radioactive material will remain after 15 days.
  9. Radioactive elements have atomic number greater than82.
  10. Weak Nuclear Force is responsible for the radioactive decay of the nucleus.
  11. The radioactive material must be placed in a box of Lead.
  12. Radioactive cobalt 60 is used for curing: Cancerous cells.
  13. Radioactive isotope present in atmosphere is: carbon -14.
  14. Unstable nuclei  are radioactive.When radioactivity rays are passed through air or any gas, they cause it to Ionize.

7 - Alpha rays produce in human body:

A ) fluorescence
B ) burn & sores ✅
C ) red spot
D ) ulcer

8 - If a person is strongly radiation by radiation. Then he can suffer from:

A ) malignant tumors ✅
B ) T.B.
C ) AIDS
D ) hepatitis

9 - For curing of cancer we use:

A ) P-32
B ) P-31
C ) 1-131
D ) Co-60 ✅

10 - How many times proton is heavier than an electron?

A ) 1936
B ) 1836 ✅
C ) 2035
D ) 1736

11 - Measuring unit of Nuclear Radiation is:

A ) hertz
B ) coulomb
C ) rem ✅
D ) farad

12 - The process by which lighter nuclei fuse together to form a heavy nucleus is known as:

A ) nuclear fission
B ) nuclear fusion ✅
C ) radioactivity
D ) electron activity

15 - The charge on alpha rays is:

A ) positive ✅
B ) negative
C ) neutral
D ) as election

16 - The rays which move with speed of light are:

A ) gamma rays ✅
B ) alpha rays
C ) beta rays
D ) ultrasonic rays

17 - Radioactive elements have atomic number greater than:

A ) 80
B ) 79
C ) 81
D ) 82 ✅

Explanation:
  1. Radioactivity was  discovered by Becquerel.
  2. Radioactivity emerges from: Nuclear energy.
  3. Radioactivity is measured by which device Geiger counter.
  4. Thorium metal is not only magnetic but also radioactive Radioactive element are Plutonium, Thorium, Uranium.
  5.  Alpha rays is a positively charged particle emitted by a radioactive element.
  6. A negatively charged particle emitted by a radioactive element during radioactive decay is called a Beta particle.
  7. Radioactive isotopes are used in medicine for both diagnostic imaging and treatment.
  8. A 100 g sample of a radioactive element has a half life of 5 days. 12.5grams of radioactive material will remain after 15 days.
  9. Radioactive elements have atomic number greater than82.
  10. Weak Nuclear Force is responsible for the radioactive decay of the nucleus.
  11. The radioactive material must be placed in a box of Lead.
  12. Radioactive cobalt 60 is used for curing: Cancerous cells.
  13. Radioactive isotope present in atmosphere is: carbon -14.
  14. Unstable nuclei  are radioactive.When radioactivity rays are passed through air or any gas, they cause it to Ionize.

18 - IeV =

A ) 1.6 x 10¹⁸J
B ) 1.6 × 10-¹⁹ J ✅
C ) 1.6 × 10¹⁹J
D ) 1.6 × 10⁹J

19 - Size of an atoms is equal to:

A ) 10¹¹m
B ) 10-¹⁰m ✅
C ) 10⁶m
D ) 10-⁶m

20 - When lead -207 (Z = 82) is bombarded with neutrons, it can change into:

A ) lead-208 ✅
B ) lead -206
C ) tellurium -208(Z =81)
D ) bismuth -208 (Z =83)