Question

Choose the correct statement(s) :
(a) A dimensionally correct equation may be correct.
(b) A dimensionally correct equation may be incorrect.
(c) A dimensionally incorrect equation may be correct.
(d) A dimensionally incorrect equation may be incorrect.

Answer 1

(a) A dimensionally correct equation may be correct. 

(b) A dimensionally correct equation may be incorrect.

(d)A dimensionally incorrect equation may be incorrect.

Explanation:

It is not possible that a dimensionally incorrect equation is correct. All the other situations are possible.