Q

If a lens produces an image twice as tall as the object, what is the magnification produced by the lens?

RRB Group D 21 Aug, 2026 (4:30 PM - 6:00 PM) 2026
✓ Answer: A 2
The correct choice is 2. It follows from the laws of reflection/refraction and the standard image-formation properties of lenses, mirrors or optical systems.
← Previous Question Next Question →

📚 Related Questions — Light

1 In a concave mirror, a ray parallel to the principal axis is… 2 A dentist uses a concave mirror of focal length 20 cm to… 3 A scientist wants to demonstrate why the sky appears blue during the… 4 A student observes that the image formed by a lens is twice… 5 Which of the following statements best describes how ultrasound is utilized in… 6 A ray passing through the center of curvature of a concave mirror…