Dimension of Pressure
Dimension of Acceleration_______________
A Pure semiconductor is Called ___________semiconductors
Trivalent
Intrinsic
Extrinsic
Pentavalent
In P-Type semiconductor mayorty cariers are _________________
Holes
Electrons
Both of above
None of above
In condutors the valancy band and Conduetion band__________________
Have small gap
have huge gap
overlap each other
In N-type semiconductor Doping increases number as _______________
The electrical prperties of material depends upon number of elctrons in______________________
Innermost orbit
Outermost Orbit
In P-type Semi-conductor,Doping increases number of_________________
Both notes and electrons
Additian & measurement 12.241 cm, 4.51 cm & 4.0 cm in significant figure is_____________________
20.750
20.751
20.75
20.7
A Cup of tea kept on table losses its heat by______________process
Conduction
Convection
Radiation
All of above
The Process by which heat reaches from surp to earth is
The error due to worng settings in instrumental is called
Instrumental error
Random error
Systematic error
SI unit of magnetic Flux is ___________________________
Weber
Gauss
Coulomb
Tesla
Unlike charges________________each Other
Neither attract nor repel
Repet
Attract
SI unit of magnetic field intensity is______________________
Candela
Maxwell
Which mode of heat transfer takes place without actual migration of particiles
Conveection
Radiatiion
Which mode of heat transfer is slowest of all other models
Which of the follwoing material is bad wnductor of heat
Steel
Aluminium
Glass
Copper
Which mode of heat transfer can take place even without a medium
Condultion
Raliation
None of abve
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 light in weight
Glass is good conductor of Heat