Free MCQsLearn App Download - Fermat's Principle Practice Test PDF | Download eBooks - 75
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Trivia Quiz on Fermat's Principle PDF Download eBook 75
MCQ: Law which states that travelling between two points will follow the route with smallest optical path length is called
- Newton?s principle
- Fermat?s principle
- Mate?s principle
- Gauss?s principle
B
MCQ: The force F acting on a particle of electric charge q with instantaneous velocity v, due to an external electric field E and magnetic field B, is given by
- F=q(E+vxB)
- F=q(E+v+B)
- F=q(ExvxB)
- F=q(Exv+B)
A
MCQ: Opposite bound charges can't be separated by microscopic distances in
- dielectric
- conductors
- semiconductors
- superconductors
A
MCQ: When electric field is zero but polarization is not zero in the material, than this phenomenon is called
- residual polarization
- spontaneous polarization
- molecular polarization
- electrical polarization
B
MCQ: Metamaterials consist of periodically or randomly distributed structured elements, whose size and spacing are much smaller than electromagnetic waves
- resonant frequency
- wavelength
- damping factor
- plasma factor
B