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प्रश्न
An object is held 20 cm away from a converging lens of focal length 10 cm. Find the position of the image formed.
उत्तर
Given:Converging lens, f = 10 cm and u = -20cm
`1/f = 1/v - 1/u`
`∴ 1/v = 1/f + 1/u`
`-> 1/v = 1/10 + 1/(-20) = 1/10 - 1/20`
`-> 1/v = 1/(20 cm)`
∴ v = 20 cm
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संबंधित प्रश्न
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Image distance (cm) |
| 1 | 60 | 15 |
| 2 | 48 | 16 |
| 3 | 36 | 21 |
| 4 | 24 | 24 |
| 5 | 18 | 36 |
| 6 | 16 | 48 |
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