Q. Ice formed over lakes has
A) Very high thermal conductivity and helps in further ice formation
B) Very low conductivity and retards further formation of ice
C) It permits quick convection and retards further formation of ice
D) It is very good radiator
Explanation
The correct answer is Option B: Very low conductivity and retards further formation of ice.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.