Back to NUCLEI
JEE PHYSICS MCQ: NUCLEI
1
Medium
1 of 1
Understanding
+4 | -1
Assertion: In pair annihilation, an electron and position destroy each other and produce - rays.
Reason: -rays produced will have equal momentum in opposite direction and momentum is conserved.
Reason: -rays produced will have equal momentum in opposite direction and momentum is conserved.
View answer and explanation
Correct option: B
Both Assertion and Reason are true and Reason is not the correct explanation of Assertion.
Option B (Both Assertion and Reason are true and Reason is not the correct explanation of Assertion) is correct because both the annihilation process and momentum conservation are true, but the reason doesn't directly explain the annihilation.
More Questions from NUCLEI
Practice All Chapter MCQs ā
The radius of a nucleus with atomic mass number is . Find the radius of nucleus with atomic number .
Which one is correct about fission?
nucleus, after absorbing energy, decays into two particles and an unknown nucleus. The unknown nucleus is
A moderator is used in nuclear reactors in order to
Nuclear forces are
For uranium nucleus how does its mass vary with volume?