Mirror numerical

 Problem 1

Problem: A concave mirror has a focal length of 15 cm. An object is placed 30 cm in front of the mirror. Find the position of the image.

So, the image is formed 30 cm in front of the mirror.

Problem 2

Problem: A concave mirror has a focal length of 10 cm. An object is placed 25 cm in front of the mirror. Determine the position and nature of image.

So, the image is formed approximately 16.67 cm in front of the mirror. The negative sign indicates the image is real and inverted.

Problem 3

Problem: An object 5 cm tall is placed 20 cm in front of a concave mirror with a focal length of 10 cm. Find the position, size, and nature of image.