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FOCAL EXPERT SB P 30 SUBWOOFER ENCLOSURE - VW T5 AUDIO ACTIVE SUBWOOFER - VW T5 AUDIO SUBWOOFER BASS UPGRADES
![A double convex lens of focal length 30 cm is made of glass of R.I. 1.6 . When it is immersed in a liquid, the focal length is found to be 90 A double convex lens of focal length 30 cm is made of glass of R.I. 1.6 . When it is immersed in a liquid, the focal length is found to be 90](https://d2rrqu68q7r435.cloudfront.net/images/4435926/1efcd533-345b-4ffa-a7e6-bee8846fa701.jpg)
A double convex lens of focal length 30 cm is made of glass of R.I. 1.6 . When it is immersed in a liquid, the focal length is found to be 90
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