ray optics

The fig. shows a silvered lens . ref. index of a = 1.6 and ref. index of b= 1.2 , R1 = 80 cm , R2 = 40 cm and R3 = 20 cm. An object is placed at a distance of 12 cm frm this lens. Find the image posn.

http://img835.imageshack.us/i/27545141.png/

2 Answers

1
Vidhi Bhati ·

24 cm to the left of the silvered mirror.

1
swordfish ·

Is it 5.12cm?

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