At what distance (in m) from a concave mirror of focal length 3 m is a candle to be placed so that a sharp image would be cast on a screen placed at a distance of 8 m from the candle?
At what distance from a concave mirror of focal length f an object is to be placed so that a real image of n times magnified will be formed?
A cube of side 2 m is placed in fornt of a large concave mirror of focal length 1 m is such a way that the face of the cube A is at a distance of 3 m and the face B at a distance of 5 m from the mirror. The distance between the images of the faces A and B will be
At what distance in front of a concave mirror (f = 10m) an object is to be placed so that the size of the image will be halved of the size of the object?
A cube of side 2 m is placed in fornt of a large concave mirror of focal length 1 m is such a way that the face of the cube A is at a distance of 3 m and the face B at a distance of 5 m from the mirror. The height of the image face B will be
A cube of side 2 m is placed in fornt of a large concave mirror of focal length 1 m is such a way that the face of the cube A is at a distance of 3 m and the face B at a distance of 5 m from the mirror. The height of the image of the face A will be
A cube of side 2 m is placed in front of a large concave mirror of focal length 1 m is such a way that the face A of the cube is at a distance of 3 m and the face B at a distance of 5 m form the mirror. (i) Calculate the distance between the images of the faces A and B. (ii) Determine the height of the images of the faces A and B. (iii) Will the image of the cube be a cube?
An object is placed at a distance of 20 cm from a concave mirror of focal lenght 10 cm. What is the image distance?
If an object is placed at a distance of 40 cm from a concave mirror of focal length 20 cm , them the image wil be
At what distance from a concave mirror an object should be placed to get an image half the size of the object?
An object is placed at the distance of 30 cm from a concave mirror of focal length 15 cm. The image will be-
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