ECAT Pre Computer Science Chapter 17 MCQ Test With Answer

Top Scorers Of ECAT Physics Chapter 17 Physics of Solids MCQ`s Test

Sr.#	Question	Answer
1	Crystalline solids are in the form of:	A. Metals B. Ionic Compounds C. Ceramics D. Both (A) and (B)
2	The crystalline structure of NaCI is	A. rectangular B. hexagonal C. tetrahedral D. cubical
3	Which of the following can become a good permanent magnet	A. iron B. steel C. both of them D. none of them
4	Arsenic, antimony and phosphorus are the elements from	A. third group B. fourth group C. fifth group D. none of them
5	The conduction band in a solid	A. may be empty B. cannot be empty C. should be filed D. all of them
6	When the shear stress and shear stain are involved, then their ratio is called	A. Young's modulus B. Bulk modulus C. Shear modulus D. all of them
7	The measure of the deformation in a solid when stress is applied to its is called	A. elastic constant B. young's modulus C. strain D. elasticity
8	When a stress changes length, it is called the	A. compressional stress B. tensile stress C. shear stress D. any one of them
9	The substances in which, atom are so oriented that their fields support each other and the atoms behave like tiny magnets, are called	A. diamagnetic substances B. ferromagnetic substances C. paramagnetic substances D. all of them
10	There are some whose resistivity becomes zero below a certain temperature, called	A. absolute zero B. 0°C C. critical temperature D. lower fixed point