MCQ
दर्पण का सूत्र है
- A$\frac{1}{v}+\frac{1}{u}=\frac{1}{f}$
- B$\frac{1}{v}-\frac{1}{u}=\frac{1}{f}$
- C$\frac{1}{f}+\frac{1}{u}=\frac{1}{v}$
- D$\frac{1}{f}+\frac{1}{v}=\frac{1}{u}$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| X | Y |
| 1. वोल्टमीटर | (i)![]() |
| 2. प्रतिरोध | (ii)![]() |
| 3. बंद प्लग कुंजी | (iii)![]() |
| 4. विघुतसेल | (iv)![]() |