Lennart leans toward the makeup mirror on the bathroom shelf. His face fills it, bigger than life and right side up. No paper behind the mirror could ever catch that face.
The close-in case has its own three-word profile. This lesson states it.
Lennart's face sits inside the focal length of the makeup mirror.
His image is right side up: upright.
His image is bigger than life: enlarged.
No screen anywhere can catch it, because the reflected beams never meet. The image is virtual.
The ray diagram drew exactly this: dashed trace-backs crossing behind the mirror at an upright, enlarged image arrow.
One mirror, two profiles. Beyond the focal point it gives real and inverted; inside, virtual, upright, enlarged. The object's position decides which.
Katla holds a coin 3 cm from a concave mirror with a focal length of 12 cm. State the image profile.
The coin sits inside the focal point: 3 cm is less than 12 cm.
With the object inside the focal point, a concave mirror forms a virtual, upright, enlarged image.
The image is virtual, upright, and enlarged.
Ivor's concave mirror shows him an enlarged, right-side-up view of a watch mechanism. Is the watch inside or beyond the mirror's focal point?
An enlarged, upright image from a concave mirror is the inside-the-focal-point profile.
So the watch sits inside the focal point.
The watch is inside the focal point.
A button sits inside the focal point of a concave mirror. Which profile fits its image?
Jorun holds a concave mirror close to her eye, inside the focal length. Which describes what she sees?
Ivor says: 'Held inside the focal length, a concave mirror shows an enlarged, right-side-up image.' Is Ivor correct?
A jeweler holds a concave mirror 2 cm above the printed date on a coin; the mirror's focal length is 9 cm. Which option describes the image?
A concave mirror shows a virtual, upright, enlarged image of a tooth. Where is the tooth?
Katla's concave mirror makes an upside-down image of a tree across the street, but an enlarged right-side-up image of her thumb held close. Why do the two images differ?