Physics, 05.08.2021 17:00 b00n4l1f3

Q. No: 10. It is desired to obtain an erect image of an object; using a concave mirror of focal length 20 cm. what should be the range of the object distance. 1. Between infinity to pole 2. 0 to 20 cm 3. 0 to 19 cm 4. none

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Q. No: 10. It is desired to obtain an erect image of an object; using a concave mirror of focal leng...