Advertisements
Advertisements
प्रश्न
Define the radius of curvature of spherical mirrors.
उत्तर
The distance (PC) between the center of curvature and pole of a spherical mirror is known as the radius of curvature.
संबंधित प्रश्न
If the image formed by a spherical mirror for all positions of the object placed in front of it is always erect and diminished, what type of mirror is it? Draw a labelled ray diagram to support your answer.
In a convex spherical mirror, reflection of light takes place at:
(a) a flat surface
(b) a bent-in surface
(c) a bulging-our surface
(d) an uneven surface
Why can you not use a concave mirror as a rear-view mirror in vehicles?
Where would the image be formed by a convex mirror if the object is placed:
at infinity?
Draw labelled ray-diagrams to show the formation of image in both the case.
How will you distinguish between a plane mirror, a concave mirror and a convex mirror without touching them?
The radius of curvature of a convex mirror used as a rear view mirror in a moving car is 12.0 m. A truck is coming from behind it at a distance of 3.54 m. Calculate (a)
- position and
- size of the image relative to the size of the truck.
- What will be the nature of the image?
The magnification produced by a spherical mirror and a spherical lens is + 0.8.
(a) The mirror and lens are both convex
(b) The mirror and lens are both concave
(c) The mirror is concave but the lens is convex
(d) The mirror is convex but the lens is concave
Write true or false
At the point of incidence, a line drawn at right angles to the surface, separating the two media, is called the normal.
List four properties of the image formed by a convex mirror when object is placed between focus and pole of the mirror.
The Convex mirror always forms ______ and ______ image.
