MCQ
Good resistance coils are made of
- Acopper
- ✓manganin
- Ciron
- Daluminum
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| Column I | Column - II |
| A) An object is placed at focus before a convex mirror | Magnification is -oo |
| B) An object is placed at centre of curvature before a concave mirror | Magnification is 0.5 |
| C) An object is placed at focus before a concave mirror | Magnification is +1 |
| D) An object is placed at centre of curvature before a convex mirror | Magnification is 0.33 |
a) (A) → (2); (B) → (3); (C) → (4); (D) → (1)
b) (A) → (2); (B) → (4); (C) → (3); (D) → (1)
c) (A) → (2); (B) → (4); (C) → (1); (D) → (3)
d) (A) → (3); (B) → (1); (C) → (2); (D) → (4)