Wednesday 9 October 2013

Physics MCQs Chapter 17+18

1.     The area method to find energy stored in deformed material is valid for
a)     Elastic region
b)    Non-elastic region
c)     Both a and b
d)    Elastic for small force



2.     Which of the following group represents donor atoms
a)     Indium, aluminum, phosphorous
b)    Aluminum, indium, gallium
c)     Phosphorous, antimony, arsenic
d)    None



3.     The Curie temperature is that temperature at which
a)     Semi-conductor becomes conductor
b)    Ferromagnetic becomes paramagnetic
c)     Paramagnetic becomes diamagnetic
d)    Metals becomes super conductor











1.c

2.c

3.b