Dimension of Pressure
Which is SI unit of Luminous Intensity?
Bright
Lux
Candella
decibel
SI Unit of temp is__________________
K [ Kelvin ]
ºC [ Celcius ]
F [ Farhenite ]
J [ Joule }
Chose the including material__________
Germanium
Copper
Silicon
Mica
Which of the following is NOT an insulator
Wood
Rubber
Who are minority change Carriers is N-type semi-conductors
Both of above
Electrons
Holes
None of above
In Insulators energy gap between conduction band and energy band is________________________
Nearly 1 ev
Between 1ev and 5ev
Above 5 ev
When Antimony (As) is added to Pure silicon (Si) we get__________SemiCondutor
N-type
P-type
The measuremant of side of a cube has error of 2% The error in volume measurement with be__________________
0.5%
6%
4%
8%
32 F when converted into celcius will become_____________
100ºC
273ºC
0ºC
373ºC
273.15 K when converted into desree celcius will become________________
32ºC
The error due to worng settings in instrumental is called
Instrumental error
Random error
Systematic error
Like charges________________each other
Attract
Repel
Neither attract not repetl
Protons in atom are ______________________charged
Positive
Negative
Neutral
SI unit of Resistivity is ____________________________
Ohm - ( / )
Ohm / meter ( / m)
Ohm - meter ( - m)
Ohm ( )
Cp is always_____________CV
Smaller than
Half of
Greater than
equal to
Which mode of heat transfer is slowest of all other models
Convection
Conduction
Radiation
Which mode of heat transfer can take place even without a medium
Condultion
Raliation
None of abve
Which mode of heat transfer takes place without actual migration of particiles
Conveection
Radiatiion
There flask cused to keep liqued Hot or coll for long times has double walled glass vessel because
Glass is light in weight
Glass is good conductor of Heat
Glass has good reflective porperty
Glass is bad conductor of heat