A concave mirror has a focal length of 25 cm. A person wants to see his face in this mirror. At what distance should the person stand ?

A concave mirror has a focal length of 25 cm. A person wants to see his face in this mirror. At what distance should the person stand ?

A) 40 cm

B) 30 cm

C) 20 cm

D) 25 cm

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

Correct option is C) 20 cm

5 views Answered 2023-02-05 15:29

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