Question

The apprent depth of object O from AB is –

• A. 4.29 cm
• B. 5.43 cm
• C. 6.19 cm
• D. 5.99 cm

Answer 1

Answer: (C)

6.19 cm

Answer 2

d = $\frac { \mathrm { t } _ { 1 } } { \mu _ { 1 } }$ +

= $\frac { 4 } { 1.4 }$ + $\frac { 5 } { 1.5 }$ = 2.857 + 3.333

= 6.190