While deriving prism formula, which of the following condition is NOT satisfied?
A. I = e
B. r1 = r2
C. r = \(\frac {A}{2}\)
D. δm = i + e + r
Answer:D
While deriving prism formula, which of the following condition is NOT satisfied?
A. I = e B. r1 = r2 C. r = \(\frac {A}{2}\) D. δm = i + e + r