What is the position and nature of image formed by lens combination shown in figure ? (f1, f2 are focal lengths)

Question

What is the position and nature of image formed by lens combination shown in figure ? (f₁, f₂ are focal lengths)

${{20} \over 3}$ cm from point B at right, real

70 cm from point B at right ; real

40 cm from point B at right; real

70 cm from point B at left ; virtual

Please login to view the detailed solution steps...