Question

Assertion (A): Though fermi is a unit of distance, it is not a fundamen
Reason (R) : All practical units need not be fundamental
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but Ris not the correct explanation of A
c) A is true but R is false
d) A is false but it​

Answer 1

Answer:

point (a)

Explanation:

all the units are not need to be fundamental

Answer 2

Answer:

answer is

a

holp u understand plz brain list