name the lenses below
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The 1st lens ide convex lens
2nd lens is concave lens
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Explanation:
1st one is concave mirror and
2nd one is convex mirror.....
you can also see the definition below...
concave mirror:→A concave mirror, or converging mirror, has a reflecting surface that is recessed inward (away from the incident light). Concave mirrors reflect light inward to one focal point. They are used to focus light.
convex mirror:→A convex mirror or diverging mirror is a curved mirror in which the reflective surface bulges towards the light source. Convex mirrors reflect light outwards, therefore they are not used to focus light.
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