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problem 1:

Illustrate out the term thermal conductivity. State Lee’s disc technique for the determining thermal conductivity of the poor conductor?

problem 2:

Critically discuss the construction and working of the Disappearing Filament Pyrometer.

problem 3:

Provide an account of wave theory of light and discuss the approximate rectilinear propagation of the light on this theory.

problem 4:

Illustrate out the term circularly and elliptically polarized light. In brief discuss how these can be produced and detected.

problem 5:

Illustrate out the term reverberation time. Develop Sabine’s mathematical relation for reverberation time

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