Nuclear Reactions

Thermal neutrons at the room temperature have an energy of $0.025 \mathrm{eV}.$ Half-life of neutrons is $10$ minutes. If a source gives out a beam of neutrons, at what distance from the source, half the neutrons would have decayed?

The average translational kinetic energy depends only on _____ temperature.

Does average kinetic energy depend only on temperature?
 

How do you find the kinetic energy of a thermal neutron?
 

What is the average kinetic energy of a molecule in terms of temperature?
 

Explain electron capture.

What is the nuclear equation for the electron capture decay of $\mathrm{Argon}-37$? Calculate the energy released.

The complete reaction equation for electron capture by ${}^{15}\mathrm{O}$ is ${}_8^{15}{\mathrm{O}}_7+e^{-}{\to }_7^{15}{\mathrm{N}}_8+{\nu }_e$. Calculate the energy released in $\mathrm{MeV}$.

Write the complete reaction equation for electron capture by ${}^{15}\mathrm{O}$. Calculate the energy released.

What is Q-value of a nuclear reaction? Write the formula for Q-value for $\beta$-emission and explain the terms.

Calculate the Q-value for Beta$\left(\beta \right)$-decay.

In beta decay, the typical Q value is approximately:

In beta decay, the typical Q value is approximately:

The nucleus of element $X\left(A=220\right)$ undergoes $\alpha$−decay. If $Q$-value of the reaction is $5.5\mathrm{MeV}$, then the kinetic energy of $\alpha$−particle is:

$\mathrm{Q}$-value is the difference between the final and _____ mass-energy of the decayed products.

The “Q-value” of the $\alpha$ decay, Qα is the difference of the mass of the parent and the combined mass of the daughter and the α-particle, multiplied by c2?

Write down the expression for Q value in the class of α decay.

Consider the following nuclear reactions:

I. ${}_7{}^{14} \mathrm{N}+{}_2{}^4\mathrm{He}⟶{}_8{}^{17}\mathrm{O}+X$

II. ${}_4{}^9\mathrm{Be}+{}_2{}^4\mathrm{H}⟶{}_6{}^{12}\mathrm{He}+Y$

Then,

In the reaction ${}_1{}^2\mathrm{H}+{}_2{}^3\mathrm{H}\to {}_2{}^4\mathrm{He}+{}_0{}^{1}n$, if the binding energies per nucleon of ${}_1{}^2\mathrm{H}$, ${}_1{}^3\mathrm{H}$ and ${}_2{}^4\mathrm{He}$ are $x$, $y$ and $z$, respectively. Then, the energy released in the process is

Which of the following elements is most widely used for nuclear fission?