List of top Physics Questions on Nuclei asked in UP Board XII

What are isotone nuclei? In a nucleus average mass of nucleons is \(1.67\times10^{-27}\) Kg. Find the density of nucleus. [Given \(R_0 = 1.2\times10^{-15}\) m.]

In a nuclear fusion reaction mass defect is 0.2%. What will be amount of energy released in the fusion of 1 kg mass?

What is the phenomenon of radioactivity? How many types are there of radioactive decay?

In the given nuclear reaction, particle W is: \[ {}_{2}^{4}\text{He} + {}_{Z}^{A}X \ \rightarrow\ {}_{Z+2}^{A+3}Y + W \]

Write the characteristics of nuclear force. How is it different from gravitational and electric (electrostatic) forces?

Find out equivalent energy of 1·0 gm of a substance.

Write the difference between isotopic, isobaric and isotonic nuclei. Give an example of each.

Explain the proton-neutron hypothesis in the structure of nucleus.

What is the phenomenon of radioactivity?

Explain nuclear fission and nuclear fusion with examples.

Define mass defect and binding energy.

Write the formula relating the radius and mass number of a nucleus and show that nuclear density does not depend on the mass number.

From which part of the atom are radioactive radiation emitted?

Mainly on which factor does the stability of a nucleus depend?