Fsc physics test online-Fsc Part 2 test Physics-chapter 17 Physics of Solid

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Sr.#	Question	Answer
1	Those materials whose resistivity becomes zero at certain temperature is called:	A. Semiconductor B. Super conductor C. Conductor D. Insulator
2	The conductors having the conductivity of the order of
3	The ability of a body to return to its original shape is called.	A. Strain B. Stress C. Elasticity D. Plasticity
4	The critical temperature of Aluminum is.	A. 3.72 K B. 1.18 K C. 7.2 K D. 8.2 K
5	A pentaralent impurity in Si	A. a free electron and a free hole B. a free hole C. a free electron D. No free particle
6	Energy band theory is based upon	A. Hund's Rule B. Heisenberg uncertainty principle C. Bohr's atomic Model D. Wave mechanical model
7	The substance which atom cooperates with each other in such a way so as to exhibit a strong magnetic field is called.	A. Ferromagnetic B. Paramagnetic C. Diamagnetic D. Non magnetic
8	The temperature at which, semiconductor behaves as insulators:	A. 10k B. 0k C. 237k D. None of above
9	A solid in which there is not regular arrangement of molecules is called.	A. Glassy solid B. Amorphous solid C. Crystalline solid D. Both a and b
10	The domain theory of magnet is important to explain the behaviour of	A. Diamagnets B. Paramagnets C. Ferromagnets D. All of these