Assertion : Neutrons penetrate mater more readily as compared to protons.
Reason : Neutrons are slightly more massive than protons.
If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
If the Assertion is correct but Reason is incorrect.
If both the Assertion and Reason are incorrect.
The volume occupied by an atom is greater than the volume of the nucleus by a factor of about
What is the nucleus of an atom ?
Atomic number of a nucleus is $Z$ and atomic mass is $M.$ The number of neutron is
Describe the nuclear force and its characteristics.
Given the mass of iron nucleus as $55.85\,u$ and $A=56$, find the nuclear density?