Dimension of Work
In FPS system length is measured in,
Foot
meters
Pounds
Centimeters
In boyles law which of the followingt is constant
Pressure
Temperature
Volume
All of above
Which of the following wloues reflects more heat
Black
Red
Blue
White
The resistivity as semiconduetor is between ___________________
None of above
Who are minority change Carriers is P-type semi-conductors
Both of above
Electrons
Holes
When Aluminium (Al) is added to Pure Germanium (Ge) we get___________Semiconductor
N-type
P-type
For semiconductor matereial as the temperature increases its conductivity____________________
Increases
Decreases
Remains Constant
The measuremant of side of a cube has error of 2% The error in volume measurement with be__________________
0.5%
6%
4%
8%
The Process by which heat reaches from surp to earth is
Convection
Conduction
Radiation
A Cup of tea kept on table losses its heat by______________process
How many significant figures this rading has 0.784 cm
4 Significant Figures
1 Significant Figures
2 Significant Figures
3 Significant Figures
SI unit of electric field Intensity_____________________
N/C
V/m
Electrons in atom are_______________changed
Positive
Negative
Neutal
According to coulomb's loa and Force of attraction/repulsion is inversely proportional to________________________
Square root of distance between charges
Mutipuication of Charges
Square of distances between charges
Distance between charges
The ratio CP/CV is______________________
Greater than 1
Less than 1
Equal to 0.5
Equal to 1
Which mode of heat transfer can take place even without a medium
Condultion
Raliation
None of abve
Which mode of heat transfer is slowest of all other models
Which mode of heat transfer is fastest as all other modes
Radilation
There flask cused to keep liqued Hot or coll for long times has double walled glass vessel because
Glass has good reflective porperty
Glass is bad conductor of heat
Glass is light in weight
Glass is good conductor of Heat