only question 5 a has ancomposite iS 25a stress of 50 MPa is applied in the direction of fiber alignment then,(i) Compute the elastic modulus of the composite in longitudinal and transverse direction.(ii) Determine the strain in each phase of composite and also the stress in each phase ofcomposite.Q 5. (a) What do you mean by intrinsic semiconductor? Briefly discuss the effect of temperature onthe conductivity of extrinsic semiconductor.(b) What is luminescence? Briefly discuss the mechanism of LED with a neat sketch.(c) Derive the conditions of band gap energies for non-metals to be transparent, opaque andcolored.

Intrinsic semiconductor is the purest form of semiconductor

Answered: Q 5. (a) What do you mean by intrinsic…

Q 5. (a) What do you mean by intrinsic semiconductor? Briefly discuss the effect of temperature on the conductivity of extrinsic semiconductor.

Modern Physics

3rd Edition

ISBN:9781111794378

Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Publisher:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Chapter12: The Solid State

Section: Chapter Questions

Problem 11P

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Question

only question 5 a

has an
composite iS 25
a stress of 50 MPa is applied in the direction of fiber alignment then,
(i) Compute the elastic modulus of the composite in longitudinal and transverse direction.
(ii) Determine the strain in each phase of composite and also the stress in each phase of
composite.
Q 5. (a) What do you mean by intrinsic semiconductor? Briefly discuss the effect of temperature on
the conductivity of extrinsic semiconductor.
(b) What is luminescence? Briefly discuss the mechanism of LED with a neat sketch.
(c) Derive the conditions of band gap energies for non-metals to be transparent, opaque and
colored.

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