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What is the focal length of a diverging lens if the image distance is -15 cm and the object distance is -10 cm? (2023)

Practice Questions

1 question
Q1
What is the focal length of a diverging lens if the image distance is -15 cm and the object distance is -10 cm? (2023)
  1. -30 cm
  2. -20 cm
  3. -15 cm
  4. -10 cm

Questions & Step-by-step Solutions

1 item
Q
Q: What is the focal length of a diverging lens if the image distance is -15 cm and the object distance is -10 cm? (2023)
Solution: Using the lens formula 1/f = 1/v - 1/u, we find f = -20 cm.
Steps: 0

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