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प्रश्न
A ............ mirror always forms a virtual image.
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उत्तर
A convex mirror always forms a virtual image.
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संबंधित प्रश्न
Find the focal length of a convex mirror whose radius of curvature is 32 cm.
No matter how far you stand from a mirror, your image appears erect. The mirror is likely to be ______.
An object is placed at a distance of 40 cm in front of a convex mirror of radius of curvature 40 cm. List four characteristics of the image formed by the mirror.
Define the radius of curvature of spherical mirrors.
The image formed by a spherical mirror is virtual. The mirror will be:
(a) concave
(b) convex
(c) either concave or convex
(d) metallic
An object 1 cm tall is placed 30 cm in front of a convex mirror of focal length 20 cm. Find the size and position of the image formed by the convex mirror.
Draw ray diagrams to represent the nature, position and relative size of the image formed by a convex lens for the object placed:
at 2F1,
State two uses of a convex mirror.
Identify the device used as a spherical mirror or lens in following case, when the image formed is virtual and erect in case.
Object is placed between the focus and device, image formed is enlarged and on the same side as that of the object.
Assertion: A real image cannot be produced by plane or convex mirror.
Reason: The focal length of a convex mirror is always taken as positive.
