ECAT Pre Engineering Physics Chapter 17 MCQ Test With Answer

Top Scorers Of Physics ECAT Pre Engineering Chapter 17 Physics of Solid MCQ`s Test

Sr.#	Question	Answer
1	In a cubic crystal, All solids meet at:	A. 60^o B. 90^o C. 109^o D. 30^o
2	The domains are of macroscopic size of the order of	A. centimeters B. meters C. millimeters D. nanomneters
3	The transition from solid state to liquid state is:	A. Abrupt B. Slow C. Continous D. Discontinous
4	Which of the following can become a good temporarily magnet	A. iron B. steel C. both of them D. none of them
5	The materials in which valence electrons are bound very tightly to their atoms and are not free, are known as	A. conductors B. insulators C. semi-conductors D. all of them
6	Any superconductor with critical temperature above 77 K, is referred as	A. low temperature superconductor B. high temperature superconductor C. very low temperature superconductor D. none of them
7	The valence band of an atom in a solid	A. is always empty B. may or may not be empty C. can never be empty D. none of them
8	The critical temperature of tin is	A. 1.18 K B. 4.2 K C. 3.72 K D. 7.2 K
9	The size of the domain is such that they can contain	A. 10²to 10⁴atoms B. 10⁴ to 10⁸atoms C. 10⁸to 10¹²atoms D. 10¹²to 10¹⁶atoms
10	The whole structure obtained by the repetition of unit cells is called:	A. Crystal lattice B. Amorphous solid C. Polymeric solid D. Polysterne