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A lens has a focal length 10cm.An object is placed in front of it. Where should a convex mirror placed so that image is formed at the object itself,when a focal length of a convex mirroris 12cm.? 1) 4cm from lens 2) 6cm from len |
| Answer» A lens has a focal length 10cm.An object is placed in front of it. Where should a convex mirror placed so that image is formed at the object itself,when a focal length of a convex mirroris 12cm.? 1) 4cm from lens 2) 6cm from len | |