Top 150+ Solved Fundamentals of NanoScience MCQ Questions Answer

From 106 to 120 of 146

Q. The substrate is heated to                  

a. 200c

b. 300c

c. 400c

d. 700c

  • d. 700c

Q. A solid that offers no                    passage of electricity is called super conductors.

a. conductance

b. inductance

c. resistance

d. impedance

  • c. resistance

Q. The phenomena of super conductors was first discovered by                        

a. kammerlingh onnes

b. neils bohr

c. richard smalley

d. otto lehman

  • a. kammerlingh onnes

Q. The earliest superconductors to be studied elaborately is                  

a. niobium alloy

b. copper alloys

c. steel alloys

d. iron alloy

  • a. niobium alloy

Q. The shifting of electrons in super conductors is prevented by                    

a. quantum effect

b. threshold energy level

c. energy barrier

d. orbitals

  • a. quantum effect

Q. The normal metal passes into super conducting state at                        

a. high temperature

b. low temperature

c. critical temperature

d. no temperature

  • c. critical temperature

Q. The ideal super conductors exhibit

a. meissner effect

b. mesmeric effect

c. mesomeric effect

d. monomeric effect

  • a. meissner effect

Q. The constituents of this material that is yttrium, barium and copper are in

a. 1:1:1

b. 1:2:2

c. 1:2:3

d. 1:2:1

  • c. 1:2:3

Q. Annealing the homogeneous mixture to room temperature to retain its                      

a. composition

b. structure

c. its properties

d. composition, structure and its properties

  • d. composition, structure and its properties

Q. Graphite has layered                    structure.

a. three dimensional structure

b. pyramidal

c. planar

d. bipyramidal

  • c. planar

Q. Bonding between the layers is                    

a. strong

b. weak

c. very tightly bonded

d. not bonded

  • b. weak
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