Why are there two different lens formulas? The one in my Physics book says the formula is 1/f=1/v+1/u but on the internet I found the formula as 1/f=1/ v-1/u? How are there two
Derive the lens formula, 1/f = 1/v - 1/u for a concave lens, using the necessary ray diagram. - Sarthaks eConnect | Largest Online Education Community
![Derive the thin lens formula 1/v - 1/u = 1/f for a convex lens positioned between f and 2f - Physics - Ray Optics And Optical Instruments - 13791555 | Meritnation.com Derive the thin lens formula 1/v - 1/u = 1/f for a convex lens positioned between f and 2f - Physics - Ray Optics And Optical Instruments - 13791555 | Meritnation.com](https://s3mn.mnimgs.com/img/shared/content_ck_images/ck_c585a2804b80c323c8a003ac839773f9.png)
Derive the thin lens formula 1/v - 1/u = 1/f for a convex lens positioned between f and 2f - Physics - Ray Optics And Optical Instruments - 13791555 | Meritnation.com
![Can we derive the mirror and the lens formula the mirror formula is 1/v+1/u= 1/f the lens formula - Science - Light - Reflection and Refraction - 10024769 | Meritnation.com Can we derive the mirror and the lens formula the mirror formula is 1/v+1/u= 1/f the lens formula - Science - Light - Reflection and Refraction - 10024769 | Meritnation.com](https://s3mn.mnimgs.com/img/shared/discuss_editlive/2955358/2013_12_12_11_57_52/convex.jpg)
Can we derive the mirror and the lens formula the mirror formula is 1/v+1/u= 1/f the lens formula - Science - Light - Reflection and Refraction - 10024769 | Meritnation.com
![i.) Derive the lens formula, 1/ f = 1/v – 1/u for a concave lens, using the necessary ray diagram. ii.) How does the angle of minimum deviation of a glass prism i.) Derive the lens formula, 1/ f = 1/v – 1/u for a concave lens, using the necessary ray diagram. ii.) How does the angle of minimum deviation of a glass prism](https://www.zigya.com/application/uploads/images/1_56345e27866be.png)
i.) Derive the lens formula, 1/ f = 1/v – 1/u for a concave lens, using the necessary ray diagram. ii.) How does the angle of minimum deviation of a glass prism
![उत्तल लेंस के लिए सूत्र 1/f = 1/v – 1/u की स्थापना कीजिए, जहाँ प्रतीकों के सामान्य अर्थ हैं । Answer... CLASS-12 भौतिकी हिंदी माध्यम नोट्स PHYSICS Question answer ... उत्तल लेंस के लिए सूत्र 1/f = 1/v – 1/u की स्थापना कीजिए, जहाँ प्रतीकों के सामान्य अर्थ हैं । Answer... CLASS-12 भौतिकी हिंदी माध्यम नोट्स PHYSICS Question answer ...](https://www.mpboardonline.com/answer/class-12-physics-hm/img/89-1.jpg)
उत्तल लेंस के लिए सूत्र 1/f = 1/v – 1/u की स्थापना कीजिए, जहाँ प्रतीकों के सामान्य अर्थ हैं । Answer... CLASS-12 भौतिकी हिंदी माध्यम नोट्स PHYSICS Question answer ...
![Derive the thin lens formula i.e. 1/v - 1/u = 1/f for a convex lens when it forms a real image . - Brainly.in Derive the thin lens formula i.e. 1/v - 1/u = 1/f for a convex lens when it forms a real image . - Brainly.in](https://hi-static.z-dn.net/files/d71/feb7a37edb10317ddc401b6ab6c7927e.jpg)