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	Examples of crystalline solids are:	A. Cooper B. NaCl C. Zirconia D. Both (A) and (B)
2	Within each domain, the magnetic field of all the spinning electrons are	A. parallel B. antiparallel C. perpendicular D. all of them
3	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
4	In crystalline solids, atoms are held about their equilibrium positions depending upon the strength of:	A. Adhesive force B. Nuclear forces C. Inter atomic cohesive force D. Electromagnetic force
5	The maximum stress that a material can withstand, is known as	A. plastic point B. elastic limit C. yield point D. ultimate tensile strength
6	The electrons in the outermost shell of an atom are called	A. core electrons B. valence electrons C. high energy electrons D. none of them
7	The magnetism produced by electrons within an atom can arise from	A. electrons orbiting the nucleus B. electrons posses a spin C. both motions D. none of these motions
8	The charged nucleus of an atom itself spins its magnetic field	A. equal to the field produced by orbital electrons B. greater than the field produced by orbital electrons C. much weaker than the field produced by orbital electrons D. none of these
9	The ratio of shearing stress/shearing strain is called as	A. Modulus B. Pascal modulus C. Hooker's modulus D. Shear modulus
10	The curie temperature of iron is about	A. 250°C B. 500°C C. 750°C D. 1000°C