A 10.00 cm high object is placed 15.00 cm in front of a concave mirror. If the image is 25.00 cm hig

JAMB Physics 2023 267 views
Source: JAMB · 2023

A 10.00 cm high object is placed 15.00 cm in front of a concave mirror. If the image is 25.00 cm high and virtual, what is the focal length of the mirror?

  1. 25.00 cm ✓
  2. 10.71 cm
  3. 18.24 cm
  4. 15.00 cm

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