Real Image Formation in Mirrors and Lenses:
Real images are formed when the rays of light actually meet at a point after reflection or refraction. Let's explore where real images are formed in mirrors and lenses.

Concave Mirror:
- In a concave mirror, a real image is formed when the object is placed beyond the focal point.
- The reflected rays converge to a point in front of the mirror, creating an inverted real image.
- This real image can be projected onto a screen and is the basis for devices like shaving mirrors and makeup mirrors.

Convex Mirror:
- A convex mirror always forms a virtual image, where the rays of light appear to diverge from a point behind the mirror.
- This virtual image is smaller than the object and is upright.
- Convex mirrors are commonly used in vehicles as side-view mirrors to provide a wider field of view.

Concave Lens:
- In a concave lens, a real image is formed when the object is placed at a distance greater than the focal length.
- The light rays passing through the lens diverge and then converge to form an inverted real image.
- This type of image formation is used in cameras and projectors.

Convex Lens:
- A convex lens forms a real image when the object is placed at a distance less than the focal length.
- The light rays passing through the lens converge to form an inverted real image on the opposite side of the lens.
- This real image can be projected onto a screen and is utilized in devices like microscopes and telescopes.
In conclusion, real images are formed in concave mirrors and concave lenses when the object is placed at a specific distance from the mirror or lens. These images are important in various optical devices for magnification and projection purposes.