![What is meant by power of a lens? Define its SI unit.You have two lenses A and B of focal lengths + 10 cm and - 10 cm, respectively. State the nature What is meant by power of a lens? Define its SI unit.You have two lenses A and B of focal lengths + 10 cm and - 10 cm, respectively. State the nature](https://haygot.s3.amazonaws.com/questions/1851296_494987_ans_982f0adfc651418ea035378bdfbe936e.jpg)
What is meant by power of a lens? Define its SI unit.You have two lenses A and B of focal lengths + 10 cm and - 10 cm, respectively. State the nature
![What is meant by power of a lens Write its SI unit A student uses a lens of focal length 40 cm and another of 20 cm Write the nature and power What is meant by power of a lens Write its SI unit A student uses a lens of focal length 40 cm and another of 20 cm Write the nature and power](https://api.flasheducation.co.in/media/images/2020/09/02/image_o3D44AE.png)
What is meant by power of a lens Write its SI unit A student uses a lens of focal length 40 cm and another of 20 cm Write the nature and power
![Define power of a lens. What is its unit ? One student uses a lens of focal length `50 cm` - YouTube Define power of a lens. What is its unit ? One student uses a lens of focal length `50 cm` - YouTube](https://i.ytimg.com/vi/heobC--rq3c/maxresdefault.jpg)
Define power of a lens. What is its unit ? One student uses a lens of focal length `50 cm` - YouTube
What is meant by power of a lens ? Write the SI unit. A student uses a lens of focal length 40 cm and another of - 20 cm. - Sarthaks eConnect | Largest Online Education Community
![Amazon.com : Sony FX3 Full-Frame Cinema Camera with FE 24mm f1.4 GM Lens & Accessory Bundle - XLR Handle Unit, SanDisk Extreme PRO 128GB SDXC Card, 2X Seller Supplied Replacement Batteries & Amazon.com : Sony FX3 Full-Frame Cinema Camera with FE 24mm f1.4 GM Lens & Accessory Bundle - XLR Handle Unit, SanDisk Extreme PRO 128GB SDXC Card, 2X Seller Supplied Replacement Batteries &](https://m.media-amazon.com/images/I/81QuAg5jx9S.jpg)