Q

A 3 cm tall object is 9 cm in front of a concave lens of focal length 6 cm. What is the approximate image height and orientation?

RRB Group-D 13/08/2026 (4:30 PM - 6:00 PM) 2026
✓ Answer: D 1.2 cm and upright
With f = -6 cm and u = -9 cm, 1/v = -1/6 - 1/9 = -5/18, so v = -3.6 cm. m = v/u = 0.4 and image height = 0.4 × 3 = 1.2 cm, upright.
← Previous Question Next Question →

📚 Related Questions — Light

1 A person wants to project a magnified real image of a small… 2 Where should an object be placed relative to a convex lens to… 3 A student places a candle 25 cm from a convex lens of… 4 Where must a face be placed relative to a concave shaving mirror… 5 The refracted ray inside the prism bends ________. 6 A convex lens forms a real, inverted image of an object placed…