Question: b) c) d) 3 108 33 (a) b) c) d) 39 12 7. A 10 mm long awl pin is placed vertically in front pin

b) c) d) 3 108 33 (a) b) c) d) 39 12 7. A 10 mm long awl pin is placed vertically in front pin is formed at 30cm in front of the mirror. The focal length of this mirror is: 20 cm 30 cm 40 cm 60 cm

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