Question

Assertion :Neutrons are the best bombarding particles. Reason: Neutrons are neutral particles.

• A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
• B. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
• C. Assertion is correct but Reason is incorrect
• D. Assertion is incorrect but Reason is correct

Answer 1

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

Assertion:

Neutrons are the best bombarding partiles because it is reletively stable (free neutrons can last for several minutes), it is massive (its mass is considerable fraction of total mass of an atomic nucleus) and most importantly- it has no electric charge.It is also part of nuclei that are bombarded , which means that it can create chain reaction. (which can be useful).

The only other particle that is as massive and stable is proton , and atomic nuclei and and proton are both positevely charged. . So they repel each other .neutrons on the other hand can get all the way to nucelus without being deflected.

Reason:

Neutrons are neutral particles. Neutrons , with protrons and electrons make up an atom. Neutron and Protrons are found in the nucleus of an atom. unlike proton which have a positive charge, or electrons which have negetive charge neutrons have zero charge which means they are neutral particles.