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Electronics — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsElectronics1 Mark
Question
Metallic solids are always opaque because(a) Solids effect the incident light (b) Incident light is readily absorbed by the free electron in a metal(c) Incident light is scattered by solid molecules(d) Energy band traps the incident light
 
 
 
 
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Answer

(b) Incident light is readily absorbed by the free electron in a metal

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Longitudinal waves cannot:
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  2. Transmit energy
  3. Have a unique wave velocity
  4. Be polarized.
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