Answer
There is also an image $I_3$ that is $50 \mathrm{~cm}$ behind $\mathrm{M}_2$. Thus, $I_3$ is $80 \mathrm{~cm}$ from $O$. In addition, we have another image $I_4$ that is $70 \mathrm{~cm}$ behind $\mathrm{M}_1$ . The distance from $I_4$ to $O$ for is $80 \mathrm{~cm}$.
Work Step by Step
There is also an image $I_3$ that is $50 \mathrm{~cm}$ behind $\mathrm{M}_2$. Thus, $I_3$ is $80 \mathrm{~cm}$ from $O$. In addition, we have another image $I_4$ that is $70 \mathrm{~cm}$ behind $\mathrm{M}_1$ . The distance from $I_4$ to $O$ for is $80 \mathrm{~cm}$.
