An object is placed at a distance of 10 cm in front of a concave mirror of focal length 15 cm. Use mirror formula to determine the position of the…

Here \(\displaystyle \mathrm{u}=-10 \mathrm{~cm} ; \mathrm{f}=-15 \mathrm{~cm}\); \(\displaystyle \frac{1}{f}=\frac{1}{v}+\frac{1}{u}\) \(\displaystyle \frac{1}{-15}=\frac{1}{v}+\frac{1}{-10}\) \(\displaystyle \frac{1}{v}=\frac{1}{-15}+\frac{1}{10}\) \(\displaystyle \mathrm{v}=+30 \mathrm{~cm}\) Position of image is $\displaystyle 30$ cm from the mirror