Richard Ebright’s life is a shining example of how perseverance and curiosity can lead to great success. From collecting butterflies to winning science competitions, his commitment to learning never stopped. He used every setback as a stepping stone and never gave up on exploring new ideas. His journey teaches that passion and consistency are key to achieving goals. Ebright inspires me to stay curious, ask questions, and work hard despite challenges. His story proves that true scientists—and achievers—are not born, but made through constant effort, reading, and self-belief.
Read the following extract and answer the questions:
He stalks in his vivid stripes
The few steps of his cage,
On pads of velvet quiet,
In his quiet rage.
He should be lurking in shadow,
Sliding through long grass
(A Tiger in the Zoo)
| Case No. | Lens | Focal Length | Object Distance |
|---|---|---|---|
| 1 | \(A\) | 50 cm | 25 cm |
| 2 | B | 20 cm | 60 cm |
| 3 | C | 15 cm | 30 cm |