Q. A tree grows at the rate of 0.5 m per year. What will be the height of the board fixed at 1.5 m above the base five years ago?
A) 4.0 m
B) 3.5 m
C) 1.5 m
D) 4.5 m
Explanation
The increase in height of a plant is due to apical meristem. Therefore, the height of the board remains same after five years.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.