Assertion : At least one radioactive isotope of every element has been prepared in the laboratory. Reason : The bombardment of various atomic nuclei with common light weight projectile lead to artificial radioactivity.

Assertion : At least one radioactive isotope of every element has been

1.	Assertion : At least one radioactive isotope of every element has been prepared in the laboratory. Reason : The bombardment of various atomic nuclei with common light weight projectile lead to artificial radioactivity.
Answer» Both A and R are true and R is the correct EXPLANATION of A Both A and R are true but R is not a correct explanation of A A is true but R is FALSE A is false but R is true Answer :A