A convex lens forms a real, diminished point sized image at focus. Then the position of the object is at _____.
A. focus
B. infinity
C. at 2f
D. between f and 2 f
Answer:B
A convex lens forms a real, diminished point sized image at focus. Then the position of the object is at _____.
A. focus B. infinity C. at 2f D. between f and 2 f