#### Sentence Examples

• If BQ be the direction for the first minimum (the darkness between the central and first lateral band), the relative retardation of the extreme rays is (mn+1)X.
• Suppose now that X+SX is the wave-length for which BQ gives the principal maximum, then (mn+1)A=mn(X+SX); whence OX/X= limn.
• With sufficient approximation we may regard BQ and b as rectangular co-ordinates of Q.
• 4 let AB be the axis of composition, AP be the vapour pressure of pure A, BQ the vapour pressure of pure B.
• A =p n, b= aq, c- 2n bq, and so on.