How many neutrons are more than protons in the ${ }_{92}^{235} U$ nucleus?

Read the following statements:
$(A)$ Volume of the nucleus is directly proportional to the mass number.
$(B)$ Volume of the nucleus is independent of mass number.
$(C)$ Density of the nucleus is directly proportional to the mass number.
$(D)$ Density of the nucleus is directly proportional to the cube root of the mass number.
$(E)$ Density of the nucleus is independent of the mass number.
Choose the correct option from the following options.

$A$ reaction between a proton and $_8^{18}O$ that produces $_9^{18}F$ must also liberate:

Specify the mass of a proton in kilograms and in the $u$ (atomic mass unit).

$A$ nucleus splits into two parts. If the ratio of their velocities is $8 : 1$, what is the ratio of their radii?

Which of the following statements is incorrect?