Q.
If a bar of given length moves with its extremities on two fixed straight lines at right angles, then the locus of any point on bar marked on the bar describes a/an
A) Circle
B) Parabola
C) Ellipse
D) Hyperbola
Explanation
(c)
Obviously it is an ellipse, because the normal and tangent at point $P$ of an ellipse bisect the internal and external angles between the focal distance of the point
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.