Mnemonic Device:
- If I Do I Die
Explanation: to remember the relationship between focal length and object & image distance, from a lens or mirror
- 1/f = 1/do + 1/di
- “f” is focal length
- “do” is object distance
- “di” is image distance
Study skills improvement
Mnemonic Device:
Explanation: to remember the relationship between focal length and object & image distance, from a lens or mirror
Mnemonic Device Est. © 1998 -2025 · Disclaimer / (free) copyright
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