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A point object O is placed in front of a glass rod having spherical end of radius of curvature 30 cm . The image would be formed at

1. 30 cm left
2. Infinity
3. 1 cm to the right
4. 18 cm to the left Lens n 2 n g n 1 Glass Air 30 cm 15 cm O Glass Air PG #4

Correct answer: 30 cm left

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