Question
Question: If a is the distance of an object from the focus of a concave mirror and b is the distance of the im...
If a is the distance of an object from the focus of a concave mirror and b is the distance of the image from the focus, the graph of a versus b is-
A
Parabola
B
Straight line
C
Rectangular hyperbola
D
Arc of a circle
Answer
Rectangular hyperbola
Explanation
Solution
F2 = ab ; \ a = f2/b ̃ a µ 1/b