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If a concave lens has a focal length of -20 cm, what is the nature of the image formed when an object is placed at 30 cm?

Practice Questions

1 question
Q1
If a concave lens has a focal length of -20 cm, what is the nature of the image formed when an object is placed at 30 cm?
  1. Real and inverted
  2. Virtual and upright
  3. Real and upright
  4. Virtual and inverted

Questions & Step-by-step Solutions

1 item
Q
Q: If a concave lens has a focal length of -20 cm, what is the nature of the image formed when an object is placed at 30 cm?
Solution: The image formed by a concave lens is virtual and upright when the object is placed beyond the focal length.
Steps: 5

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