An object which is 3cm high is placed vertically 10cm in front of a concave mirror. If this object produces an image 40cm from the mirror, the height of the image is
- 0.75cm
- 4.00cm
- 8.00cm
-
12.00cm
The correct answer is: D
Explanation
\(\frac{\text {object height}}{\text{image height}}\) = \(\frac{\text {object distance}}{\text{image distance}}\)\(\frac{3}{\text{image height}}\) = \(\frac{10}{40}\)
Image height = 12cm