Q

Which type of spherical mirror has its reflecting surface curved inwards, facing towards the centre of the sphere?

RRB JE 19/02/2026 / 4:30 PM - 6:00 PM 2026
✓ Answer: D Concave mirror
Gravitational potential energy is PE = mgh. When an object falls, its gravitational potential energy decreases and is converted mainly into kinetic energy.
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