Concavo-convex lenses
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concave mirrors - 1.a parallel beam of light falling on this mirror converges at a point after reflection .
2.the reflecting surface of a concave mirror curves inward .
3.radius of a curvature and focal length are negative.
4.its magnification may be both +ve and-ve .
5.magnification value of concave mirror have all values.
6.image formed by concave mirror may be magnified or diminished .
7.this mirror produces both real and virtual images.
convex mirrors -1.a parallel beam of light falling on this mirror appears to diverge from a point after reflection.
2. the reflecting surface of the convex mirror is bulged out .
3.radius of a curvature and focal length are +ve.
4.its magnification is +ve.
5. magnification of the convex mirror is in between 0 and 1.
6. the image formed by convex mirror is always diminished.
7.the mirror produces only virtual image.
2.the reflecting surface of a concave mirror curves inward .
3.radius of a curvature and focal length are negative.
4.its magnification may be both +ve and-ve .
5.magnification value of concave mirror have all values.
6.image formed by concave mirror may be magnified or diminished .
7.this mirror produces both real and virtual images.
convex mirrors -1.a parallel beam of light falling on this mirror appears to diverge from a point after reflection.
2. the reflecting surface of the convex mirror is bulged out .
3.radius of a curvature and focal length are +ve.
4.its magnification is +ve.
5. magnification of the convex mirror is in between 0 and 1.
6. the image formed by convex mirror is always diminished.
7.the mirror produces only virtual image.
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