The power of a lens of focal length 10 cm is

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Q: 119 (CDS-I/2023)
The power of a lens of focal length 10 cm is

question_subject: 

Physics

question_exam: 

CDS-I

The power of a lens (P) is given by the formula P = 1/f, where f is the focal length in meters. For a focal length of 10 cm (0.1 m), the power is 1/0.1 = 10 dioptres.