2 State two differences between a convex and a concave lens. (answer in short)
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1
Answer:
concave lens - It is used in flash light
it is used in peepholes binoculars
convex lens - it is used as rear view mirror in vehicles and dentists
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0
Answer:
concave- concave lens is diverging lens
concave has negative power
focal length is negative
convex- convex lens is converging lens
convex lens has positive power
focal length is positive
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