Advertisements
Advertisements
प्रश्न
What is the difference between virtual images of an object formed by a concave mirror and a convex mirror?
Advertisements
उत्तर १
The virtual image of an object formed by a concave mirror is always magnified but the image formed by a convex mirror is always a diminished one.
उत्तर २
| Basis | Concave Mirror | Convex Mirror |
| Size of Image | Magnified (larger than the object). | Diminished (smaller than the object). |
| Object Position | Only when the object is between the Pole (P) and the Focus (F). | For all positions of the object in front of the mirror. |
| Field of View | Narrow; used for seeing detail. | Wide; used for seeing a large area. |
| Common Use | Shaving mirrors or dentist mirrors. | Rear-view mirrors in vehicles. |
APPEARS IN
संबंधित प्रश्न
A ray of light strikes a plane mirror at an angle of 40° to the mirror surface. What will be the angle of reflection?
A ray of light is incident normally on a plane mirror. What will be the
angle of reflection?
Write the formula for a lens connecting image distance (v), object distance (u) and the focal length (f). How does the lens formula differ from the mirror formula?
What do you understand by the focus and focal length of a spherical mirror? Show them on the separate diagrams for each of a concave mirror and a convex mirror.
When an object of height 1 cm is kept at a distance 4 cm from a concave mirror, its erect image of height 1.5 cm is formed at a distance 6 cm behind the mirror. Find the focal length of mirror, by drawing.
An object 5 cm high is placed at a distance 60 cm in front of a concave mirror of focal length 10 cm. Find the position and size of the image.
An object is placed at a distance of 0.25 m
in front of a plane mirror. The distance between the object and image will be ______.
What is “aperture”?
