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An object is placed 40 cm from a lens of focal length -10 cm. The image is

virtual, upright, and enlarged.
real, inverted, and diminished.
real, inverted, and enlarged.
virtual, upright, and diminished.
virtual, inverted, and diminished.
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Added Thu, 06 Aug '15
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1/p + 1/q = 1/f

1/40 + 1/q = -1/10

q = -8 cm......q is - so image is virtual

M = -q/p = 8/40 = 0.2..........M is positive ........image is upright

M <1.....so image is diminished

4.virtual upright and diminished

Edit
Added Thu, 06 Aug '15
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