‹ Back to the paper
Three lenses , , and are specified in the given table below. To construct an astronomical…
Three lenses $L_1$, $L_2$, and $L_3$ are specified in the given table below. To construct an astronomical telescope, which one of the following is to be used as an eyepiece and as an objective?
| Lens | Aperture (cm) | Power (D) |
|---|---|---|
| $L_1$ | 8 | 3 |
| $L_2$ | 1 | 10 |
| $L_3$ | 1 | 6 |
- (a)$L_1, L_2$
- (b)$L_2, L_1$
- (c)$L_2, L_3$
- (d)$L_3, L_1$
Answer
No answer yet.
From ISC 2025 Practice Physics, question 1.