Lalit Patel
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Posted 5 year ago
If a lens has power +2.0 D.  What is Type of lens and its focal length ?
1 Answer(s)
Vaibhavi Salunkhe
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Posted 5 year ago Vaibhavi Salunkhe

concave lens. Focal length of the lens is -50cm or 0.5m. As the focal length of lens is negative, It will be a concave lens or diverging lens