Q. In a water-fall the water falls from a height of $100m.$ If the entire $K.E.$ of water is converted into heat, the rise in temperature of water will be

A) $0.23℃$
B) $0.46℃$
C) $2.3℃$
D) $0.023℃$
Explanation

(a) $\mathrm{\Delta}\theta = 0.0023h = 0.0023 \times 100 = 0.23℃$

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.