…………..liquid are used in
thermometer.
NTS
PST 15/12/2019
(11:30)
a) alcohol
b) mercury
c) both a and b
d) none of these
Mercury is……………………
a) Harmless
b) Safe
c) Non-toxic
d) Poisonous
A form of energy which flows from hotter region towards cooler region and reach on same temperature is called…………….
a) Conduction
b) Convection
c) Radiation
d) Heat
Gain or loss of heat affect state of …………..
a) Air
b) Radiation
c) Matter
d) State
On heating particles of substance expand due to
a) Get bigger
b) Vibrate faster
c) Increase in shape
d) None of these
After cooling bimetallic strip bends…………
a) Upwards
b) Downwards
c) Straight
d) Inside
