https://www.freeilm.com/10th-physics-ch-12-geometrical-optics-exercise-numerical/?utm_source=rss&utm_medium=rss&utm_campaign=10th-physics-ch-12-geometrical-optics-exercise-numerical Best Quality Notes and Online Tests Sun, 12 Oct 2025 10:07:57 +0000 hourly 1 https://wordpress.org/?v=7.0 https://www.freeilm.com/10th-physics-ch-12-geometrical-optics-exercise-numerical/#comment-32612 Sun, 12 Oct 2025 10:07:57 +0000 https://www.freeilm.com/?p=15455#comment-32612 These notes are helpful.but this is upsetting that there are a very few people who reached at here..

]]> https://www.freeilm.com/10th-physics-ch-12-geometrical-optics-exercise-numerical/#comment-16556 Wed, 07 Feb 2024 11:12:03 +0000 https://www.freeilm.com/?p=15455#comment-16556 In numerical 12.5 convex mirror is used do focal length should be negative. Your answer is wrong correct it.
THANKS.

]]> https://www.freeilm.com/10th-physics-ch-12-geometrical-optics-exercise-numerical/#comment-16061 Fri, 19 Jan 2024 13:04:25 +0000 https://www.freeilm.com/?p=15455#comment-16061 Plz correct the answer of 12.5

]]> https://www.freeilm.com/10th-physics-ch-12-geometrical-optics-exercise-numerical/#comment-14400 Mon, 23 Oct 2023 13:16:12 +0000 https://www.freeilm.com/?p=15455#comment-14400 AOA SIR…Thanks for helping us but sir there is a problem in 12.5..Please check it..

]]> https://www.freeilm.com/10th-physics-ch-12-geometrical-optics-exercise-numerical/#comment-14386 Mon, 23 Oct 2023 02:11:18 +0000 https://www.freeilm.com/?p=15455#comment-14386 Answer of numerical number 12.5 is wrong

]]> https://www.freeilm.com/10th-physics-ch-12-geometrical-optics-exercise-numerical/#comment-14174 Sun, 08 Oct 2023 04:16:41 +0000 https://www.freeilm.com/?p=15455#comment-14174 In numericl 12.5 convex mirrir is used and image is behind the mirror so both focal length and image distance should be negative.
Your answer is wrong please correct it.you have just taken image distance negative also take focal length negative.
THANK YOU!

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