focal-length
Topic | Replies | Views | Activity | |
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The distance between a convex lens and a plane mirror is 10 cm | 1 | 2879 | July 11, 2019 | |
Why is the focal length of a convex lens is taken positive | 1 | 406 | July 10, 2019 | |
An object is 15 cm in front of a diverging lens with a focal length of 10cm | 0 | 1875 | March 24, 2018 |