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# Define Focal Length of a Divergent Lens. - CBSE Class 10 - Science

ConceptRefraction of Light Refraction by Spherical Lenses

#### Question

Define focal length of a divergent lens.

#### Solution

The focal length of a diverging lens is half the value of its radius of curvature. Conventionally, the sign of the focal length of the diverging lens is taken as negative.

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Solution Define Focal Length of a Divergent Lens. Concept: Refraction of Light - Refraction by Spherical Lenses.
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