Question:-
In the grain-size determination using standard charts, the relation between the given size number n and the average number of grains ‘N’ per square inch at a magnification of 100 X is
Option (A)
N = 2n
Option (B)
N = 2n-1
Option(C)
N = 2n+1
Option(D)
N = 2n+1
Correct Option:
(B)
Question Solution:
N = 2n-1
question-answer-faq-6641