" Bar " is Unit of
Temp
Heat
Work
Pressure
Which Of the following is Fundamental quantity
Electric Charge
Electric resistence
Electric Voltage
Electric Current
The gas has _______________Speafic heat (s)
Two
Three
Unlimited
One
In P-Type semiconductor mayorty cariers are _________________
Holes
Electrons
Both of above
None of above
In______________,there is very big gap between conduction band and valancy band
Conductors
Insulators
Semiwnduetors
A Pentawalent Impurity is called as____________impurity
Intrinsic
Doner
Acceptor
Exteinsic
Who are minority change Carriers is N-type semi-conductors
In Insulators energy gap between conduction band and energy band is________________________
Nearly 1 ev
Between 1ev and 5ev
Above 5 ev
The Length of rectangle is 1.25 cn and width is 3.354cm The area of rectange in significant figures with be____________
4.19
4.1
4.1925
4.192
273.15 K when conveted into Forhenite will become___________________
373ºF
32ºF
100ºF
0ºF
The boiling Point of water in farfhenite scale is_______________
212ºF
273ºF
The error due to change in surrounding temp will be called
Instrumental error
Random error
Systematic error
All of above
Electrons in atom are_______________changed
Positive
Negative
Neutal
Change is a ____________ Quantity
Fundamental
Derived
Fundamental and deviede
SI unit of potential difference (PO) is given by_______________________________
Ampere (A)
Volts (V)
Coulomb (C)
Joule (J)
Which mode of heat transfer is fastest as all other modes
Conduction
Convection
Radilation
Which mode of heat transfer is slowest of all other models
Radiation
Cp is always_____________CV
equal to
Smaller than
Half of
Greater than
Which of the follwoing material is bad wnductor of heat
Glass
Aluminium
Copper
Steel
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 bad conductor of heat
Glass is good conductor of Heat
Glass is light in weight