" Bar " is Unit of
Heat
Pressure
Temp
Work
Which of the Following is not a Physical quantity
height
Pain
Light
Length
The General gas equation is given by__________________
PV = RT
PV = VR
PV = T
VR = PT
In condutors the valancy band and Conduetion band__________________
Have small gap
have huge gap
overlap each other
None of above
Indium (In) Boron (B) and Aluminium (Al) are examples of
Tetravalent
Divalent
Pentavalent
Trivalent
In Insulators energy gap between conduction band and energy band is________________________
Nearly 1 ev
Between 1ev and 5ev
Above 5 ev
Who are minority change Carriers is N-type semi-conductors
Electrons
Both of above
Holes
In N-type semiconductor Doping increases number as _______________
Temperature scales degree celsius (º0) and Fathenite (OF) are related by
100ºC will be___________when converted into forhentie
373 F
212 F
-273 F
273 F
273.15 K when converted into desree celcius will become________________
0ºC
273ºC
32ºC
100ºC
The error due to worng settings in instrumental is called
Instrumental error
Random error
Systematic error
Like charges________________each other
Attract
Neither attract not repetl
Repel
SI unit of Resistivity is ____________________________
Ohm ( )
Ohm / meter ( / m)
Ohm - ( / )
Ohm - meter ( - m)
SI unit of magnetic field intensity is______________________
Weber
Tesla
Candela
Maxwell
Which mode of heat transfer is slowest of all other models
Convection
Conduction
Radiation
Which mode of heat transfer is fastest as all other modes
Radilation
Which mode of heat transfer can take place even without a medium
Condultion
Raliation
None of abve
The ratio CP/CV is______________________
Equal to 0.5
Less than 1
Equal to 1
Greater than 1
There flask cused to keep liqued Hot or coll for long times has double walled glass vessel because
Glass is bad conductor of heat
Glass has good reflective porperty
Glass is good conductor of Heat
Glass is light in weight