Q. A solid which is not transparent to visible light and whose conductivity increases with temperature is formed by
A) Ionic binding
B) Covalent binding
C) van der Waal’s binding
D) Metallic binding
Explanation
The correct answer is Option B: Covalent binding.
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.