an object 3 centimetre high is placed at a distance of 9 centimetre in the front of concave mirror of focal length 18 cm find the positions and nature of the image formed
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a concave mirror. A 5 mm long image of the awl pin is formed at 30 cm in front of the mirror. The focal length of this mirror is Required
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distance of 9 centimetre in the front of concave mirror of focal length 18 cm find the positions and nature of the image formed
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