Answer
With $p=1.0 \mathrm{~m}$, the equation $1 / p+1 / i=1 / f$ yields $i=-0.15 \mathrm{~m}$, which means the image is $0.15 \mathrm{~m}$ from the front surface, appearing to be inside the sphere.
Work Step by Step
With $p=1.0 \mathrm{~m}$, the equation $1 / p+1 / i=1 / f$ yields $i=-0.15 \mathrm{~m}$, which means the image is $0.15 \mathrm{~m}$ from the front surface, appearing to be inside the sphere.