Q

Under the New Cartesian Sign Convention for a spherical mirror, what sign is assigned to object distance when the object is in front of the mirror?

RRB Group-D 09/08/2026 (4:30 PM - 6:00 PM) 2026
✓ Answer: D Negative sign
With incident light taken in the positive direction, the object lies opposite that direction from the pole, so its distance is negative.
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