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Physics CBSE Live product
Class 10
Light reflection and refraction
Image formation of lens
7.
TBQ - Sign convention for concave lens
Question:
2
m.
Choose the correct answer
:
A spherical mirror and a thin spherical lens have a focal length of -15 cm. The mirror and the lens are likely to be
both convex
the mirror is concave and the lens is convex
both concave
the mirror is convex, but the lens is concave
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