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प्रश्न
An object is placed just outside the principal focus of concave mirror. Draw a ray diagram to show how the image is formed, and describe its size, position and nature.
उत्तर
Ray Diagram-
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संबंधित प्रश्न
The image formed by a concave mirror is observed to be virtual, erect and larger than the object. Where should be the position of the object?
If an object is placed at the focus of a concave mirror, where is the image formed?
If an object is at infinity (very large distance) in front of a concave mirror, where is the image formed?
The real image formed by a concave mirror is larger than the object when object is:
(a) at a distance equal to radius of curvature
(b) at a distance less than the focal length
(c) between focus and centre of curvature
(d) at a distance greater than radius of curvature
If the image formed is always virtual, the mirror can be:
(a) concave or convex
(b) concave or plane
(c) convex or plane
(d) only convex
A student determines the focal length of a device 'X' by focusing the image of a distant object on a screen placed 20 cm from the device on the same side as the object. The device 'X' is
(a) Concave lens of focal length 10 cm
(b) Convex lens of focal length 20 cm
(c) Concave mirror of focal length 10 cm
(d) Concave mirror of focal length 20 cm
The radius of curvature of a concave mirror whose focal length is 5cm is ______
Examine the above figure and state which of the following option is correct? [one small box in the figure is equal to 1 cm]
In the headlights of motor vehicles, ______ mirrors are used as reflectors.
The image formed by a concave mirror is real, inverted and of the same size as that of the object, the position of the object should be ______.
