Dimension of Acceleration_______________
Which of the Following is NOT a fundamental quantity
Amount of Substance
Mass
Weight
Length
The resistivity as semiconductor is________________________
More than insulators
Less than conductors
Between insulator and conductors
All of above
Arsenics (As), Antimony (Sh) and Phosphrous (P) are examples of
Pentavalent
Tetravalent
Trivalent
Divalent
In Gay husaces law which of the following is constent
Pressure
Temperature
Volume
Act of above
A trivalent impurity is called as _______________impurity
Doner
Exteinsic
Acceptor
Inteinsic
In P-type Semi-conductor,Doping increases number of_________________
Both notes and electrons
Electrons
Holes
Who are minority change Carriers is P-type semi-conductors
None of above
Both of above
The measuremant of side of a cube has error of 2% The error in volume measurement with be__________________
6%
8%
0.5%
4%
A Cup of tea kept on table losses its heat by______________process
Conduction
Convection
Radiation
273.15 K when conveted into Forhenite will become___________________
0ºF
100ºF
373ºF
32ºF
How many significant figures this reading has 0.134 x
3
6
4
2
Unlike charges________________each Other
Attract
Neither attract nor repel
Repet
According to coulombs law Force of attraction is directly propartional to____________________________
Square root of distance between charges
Mutipuication of Charges
Square of distances between charges
Distance between charges
SI unit of magnetic field intensity is______________________
Tesla
Candela
Weber
Maxwell
Which mode of heat transfer is slowest of all other models
Which mode of heat transfer is fastest as all other modes
Radilation
Which of the follwoing material is bad wnductor of heat
Steel
Aluminium
Copper
Glass
Conduction is ___________than convection
Slower
Medium
Faster
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 bad conductor of heat
Glass has good reflective porperty
Glass is good conductor of Heat