Illustrate out the term thermal conductivity. State Lee’s disc technique for the determining thermal conductivity of the poor conductor?
Critically discuss the construction and working of the Disappearing Filament Pyrometer.
Provide an account of wave theory of light and discuss the approximate rectilinear propagation of the light on this theory.
Illustrate out the term circularly and elliptically polarized light. In brief discuss how these can be produced and detected.
Illustrate out the term reverberation time. Develop Sabine’s mathematical relation for reverberation time