Physicshard · Past Paper
An object is placed at a distance 'u' from a convex lens and its real image is formed at 'v'. The graph of 1/v versus 1/u is a:
AStraight line
BParabola
CCircle
DHyperbola
✓ Correct Answer: A — Straight line
From 1/v - 1/u = 1/f, we get 1/v = 1/u + 1/f, which is a linear equation (y = mx + c).
Share this question