Dimenstion of Energy__________________
Dimension of Density
In Gay husaces law which of the following is constent
Pressure
Temperature
Volume
Act of above
In condutors the valancy band and Conduetion band__________________
Have small gap
have huge gap
overlap each other
None of above
Absolute zero on kelivin scale is equal to_______________
0K
-373K
-273K
100 K
A Pentawalent Impurity is called as____________impurity
Acceptor
Doner
Exteinsic
Intrinsic
A trivalent impurity is called as _______________impurity
Inteinsic
When Boron (B) is added to Pure Silicon (Si) we Get _________________semiConuctor
N-type
P-type
The measuremant of side of a cube has error of 2% The error in volume measurement with be__________________
6%
4%
0.5%
8%
The Boiling point of water in Kelvin scale of temperature is _______________
212 K
273 K
373 K
100ºC will be when converted into kelvin will become
-273 K
The error due to change in surrounding temp will be called
Instrumental error
Random error
Systematic error
All of above
According to coulomb's loa and Force of attraction/repulsion is inversely proportional to________________________
Square root of distance between charges
Mutipuication of Charges
Distance between charges
Square of distances between charges
SI unit of Electric resistancfe is _________________________
Volts
Ampere
Ohm
Coulombs
Like charges________________each other
Attract
Repel
Neither attract not repetl
Which mode of heat transfer is fastest as all other modes
Conduction
Convection
Radilation
The ratio CP/CV is______________________
Equal to 1
Less than 1
Equal to 0.5
Greater than 1
Which mode of heat transfer can take place even without a medium
Condultion
Raliation
None of abve
Conduction is ___________than convection
Medium
Slower
Faster
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 good conductor of Heat
Glass is bad conductor of heat
Glass is light in weight