Dimension of Force
The property of an object which can be measured with a mearuing instrument is called___________________
Physical Unit
Chemical Quantity
Physical Quantity
Physical attribute
Absolute zero on kelivin scale is equal to_______________
100 K
-373K
-273K
0K
The resisitivity as insulator is between____________________-
None of above
There is no Forbidden energy gap in__________Material
Conductor
Insulator
Semi conductor
None of Above
Who are minority change Carriers is N-type semi-conductors
Electrons
Holes
Both of above
For semiconductor matereial as the temperature increases its conductivity____________________
Increases
Decreases
Remains Constant
In N-type semiconductor Doping increases number as _______________
Is x = b/c where the percentage error in a,b,&C are 2% , 3% and 5% respectively Total percentage error in x will be_____________________
2.4%
10%
24%
12%
The boiling Point of water in farfhenite scale is_______________
273ºF
212ºF
373ºF
100ºF
32 F when converted into celcius will become_____________
0ºC
373ºC
273ºC
100ºC
How many significant Figures this reading has 2.5400
3
4
6
5
SI unit of electric field Intensity_____________________
N/C
V/m
Like charges________________each other
Neither attract not repetl
Repel
Attract
Nutrom are electrically ___________parchles
Positive
Negative
Neurtral
The ratio CP/CV is______________________
Equal to 0.5
Less than 1
Greater than 1
Equal to 1
Which mode of heat transfer is slowest of all other models
Convection
Conduction
Radiation
Conduction is ___________than convection
Slower
Medium
Faster
Which of the follwoing material is bad wnductor of heat
Copper
Steel
Glass
Aluminium
There flask cused to keep liqued Hot or coll for long times has double walled glass vessel because
Glass is good conductor of Heat
Glass is bad conductor of heat
Glass has good reflective porperty
Glass is light in weight