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प्रश्न
The radius of curvature of a concave mirror whose focal length is 5cm is ______
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उत्तर
The radius of curvature of a concave mirror whose focal length is 5cm is 10 cm
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संबंधित प्रश्न
It is desired to obtain an erect image of an object, using concave mirror of focal length of 12 cm.
What should be the range of distance of an object placed in front of the mirror?
Name the type of mirror used in the following situation:
Headlights of a car
Support your answer with reason.
Explain why, a ray of light passing through the centre of curvature of a concave mirror gets reflected back along the same path.
Give two uses of concave mirrors. Explain why you would choose concave mirrors for these uses.
Draw a ray diagram to show the formation of image of an object placed between the focus and centre of curvature of a concave mirror. State the position, size and nature of the image.
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
Give any two applications of a concave and convex mirror.
The mirror having reflection surface curved outward ______.
A concave mirror produces a magnification of +4. The object is placed ______.
Examine the above figure and state which of the following option is correct? [one small box in the figure is equal to 1 cm]
