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An object is placed 30 cm in front of a convex lens of focal length 15 cm. What is the position of the image formed? (2020)

Practice Questions

1 question
Q1
An object is placed 30 cm in front of a convex lens of focal length 15 cm. What is the position of the image formed? (2020)
  1. 10 cm
  2. 15 cm
  3. 20 cm
  4. 25 cm

Questions & Step-by-step Solutions

1 item
Q
Q: An object is placed 30 cm in front of a convex lens of focal length 15 cm. What is the position of the image formed? (2020)
Solution: Using the lens formula 1/f = 1/v - 1/u, where u = -30 cm and f = 15 cm, we find v = 10 cm.
Steps: 0

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