What is critical mass?

Q: Why does a neutron make a better nuclear bullet than a proton?

A: A neutron has no charge, so it will not be repelled or absorbed between neutrons and the nucleus.

Q: Explain the difference between nuclear fission and nuclear fusion?

A:

Q: ind the length of a side of a cube having a mass of 1.0 kg and the density of nuclear matter, taking…

A: Given,  mass, m = 1.0 kg density = 23 kg/m3 Volume, a3 length of side, a…

Q: 1 atomic mass unit is about:

A: One atomic mass unit is defined as a mass exactly equal to one – twelfth the mass of one carbon -12…

Q: What nuclear reaction involves changes in the core or nucleus.

A:

Q: Calculate the binding energy of helium nucleus assuming it has a mass of 4.003874

A: The nuclear forces that bind the nucleons together are stronger than the electrostatic attraction…

Q: Cs-137 has a half-life of 30 years. Approximately how much time is required for the radiation of…

A: Given Data : The half-life of Cs-137 is given as t12=30 years

Q: In the fall of 2002, scientists at Los Alamos National Laboratory determined that the critical mass…

A: The expression for find volume of the sphere is V=mρ Substitute values in the above equation…

Q: When a pair of hydrogen nuclei are fused to create helium, how does the mass of the resulting helium…

A: Given :  Pair of hydrogen nuclei

Q: What is meant by the idea of a critical mass?

A: The least amount of a given fissile material needed to achieve a self-sustaining fission chain…

Q: What is beta particle?

A:

Q: How is Nuclear fission reaction different from Nuclear fusion?

A: Nuclear fission is splitting of the single nucleus into more than one nucleus.   Nuclear fusion is…

Q: Complete the radioactive decay chain below. The arrows indicate the type of decay process. Vertical…

A: We need to complete the table shown in the question. Vertical arrows show alpha decay while diagonal…

Q: What is mass defect?

A: When a nucleus is formed, some of the mass is converted to energy and this results in the mass…

Q: Do an advance reading on Nuclear fission. Compare and contrast betv fusion and nuclear fission by…

A:

Q: The energy release of nuclear fission is tied to the fact that the heaviest nuclei have about 0.1%…

A: It is given that the heaviest nuclei have about 0.1% more mass per nucleon that the nuclei near the…

Q: What is rate of decay after 2.5 seconds?

A:

Q: What is Magnetic decay?

A: The decay of the magnetic properties of a magnetic material can be termed as magnetic decay.

Q: how much energy (in Joules) is released by Helium -4 during a nuclear reaction?

A: Given: Helium-4  Asked to find energy released during a nuclear reaction.

Q: What is the binding energy of 12C? The mass of an atom of 12C is 12 u (exactly), of an atom of 'H is…

A:

Q: What is given off by beta decay?

A:

Q: What are Alpha Particles?

A: Alpha particles are positively charged particles .

Q: Why does nuclear fusion only happen at temperatures and pressures?

A:

Q: Describe briefly the process of nuclear fission, how it is initiated, how a chain reaction may be…

A: Nuclear energy is produced by the nuclear fusion reaction in the core. Uranium-235 and plutonium-239…

Q: What is gamma radiation?

A: Gamma radiation is an electromagnetic radiation having shortest wavelength as compared to other…

Q: Carbon-14 is radioactive while Carbon-12 is stable.  In your body, the ratio of C-14 to C-12 is for…

A: Half-life is the time taken for a radioactive material to reduce into half of its initial value.…

Q: Is the proton stable?

A: Proton is absolutely stable.

Q: The daughters of beta decay have one less neutron and one more proton than their parent. Why?

A: A beta negative decay (β-) is a decay of the type:n→p++e-+νe¯When there is an excess of neutrons…

Q: What is the strong nuclear force?

A: Define strong nuclear force. Definition: Strong nuclear force is an electromagnetic force which is…

Q: Explain how radioactive decay has always warmed Earth from the inside and how nuclear fusion has…

A: The Centre of the earth is metallic. Metals such as uranium are undergoing radioactive decay.

Q: What occurs when a nitrogen nucleus captures an extra neutron?

A: A neutron is captured by the nitrogen nucleus

Q: reaction

A: Most of the helium in the universe today was formed through the big bang explosion in the universe.…

Q: What is the radioactive decay process in helium?

A: Spontaneous breakdown of the atomic nucleus by releasing the energy and matter is called Radioactive…

Q: What do you mean by term positron?

A: Positron is known as the positive electron.

Q: If 1.99 half-lives have occurred, what amount of radio-active material would be left if you began…

A:

Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.