Question

I can't solve this problem. plz help me ​

Answer 1

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=13 cm from the top of the surface of the liquid.

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apparent position...is..

$= \frac{8.4}{1.2} + \frac{7.8}{1.3} \\ = 7 + 6 \\ = 13 \: \: cm$

$<font color=green><marquee direction="Right">hope this help you$