Ray Optics and Optical Instruments

Bihar Board Class 12 · Physics · 73 past questions

3 of 73 · show all

1. Q36 2022 Set I

   The focal length of a lens of capacity 4 dioptre is

   Try it →
2. Q38 2022 Set I

   If the focal length of a glass lens $\left(\mu=\frac{3}{2}\right)$ in air is $f_a$ and in water…

   Try it →
3. Q40 2022 Set I

   Power of two lenses in contact is

   Try it →