Metallic solids are always opaque because
- ASolids affect the incident light
- BIncident light is readily absorbed by the free electrons in a metal
- CIncident light is scattered by solid molecules
- DEnergy band traps the incident light
Explore More
Similar Questions
The temperature dependence of resistances of $Cu$ and undoped $Si$ in the temperature range $300-400 \ K$ is best described by:
At absolute zero temperature,pure silicon behaves as
The Fermi energy level of an intrinsic semiconductor lies:
Easy
View SolutionIn the case of insulators,the band gap and the conduction band are respectively:
The forbidden energy gap for a germanium crystal is approximately ....... $J$.
Medium
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo