Which of the Following is NOT a fundamental quantity
Weight
Amount of Substance
Length
Mass
Which of the Following is not a Physical quantity
height
Pain
Light
The hand of energy occupied by free electrons is called________________
Volance band
Conduction band
Electron band
Energy band
Which of the following is a semiconductor material
Copper
Aluminium
Mica
Germanium
The resistivity as metals is between________________
None of above
A Pentawalent Impurity is called as____________impurity
Acceptor
Exteinsic
Doner
Intrinsic
When Aluminium (Al) is added to Pure Germanium (Ge) we get___________Semiconductor
P-type
N-type
A trivalent impurity is called as _______________impurity
Inteinsic
Is x = b/c where the percentage error in a,b,&C are 2% , 3% and 5% respectively Total percentage error in x will be_____________________
2.4%
24%
12%
10%
The Process by which heat reaches from surp to earth is
Convection
Radiation
Conduction
100ºC will be___________when converted into forhentie
212 F
-273 F
373 F
273 F
The error occur due to faulty instrument is___________________
Instumental error
Random error
systematic error
Human error
Potential of Earth is Considered as____________________________
In finity
100 Millions
Zero
"Weber" is SI unit of ___________________________
Magnetic Strength
Magnetic filed intensity
Electric field intensity
Magnetic flux
Like charges________________each other
Attract
Neither attract not repetl
Repel
Which mode of heat transfer can take place even without a medium
Condultion
Raliation
None of abve
Cp is always_____________CV
Smaller than
equal to
Greater than
Half of
The ratio CP/CV is______________________
Equal to 0.5
Equal to 1
Greater than 1
Less than 1
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 good conductor of Heat
Glass has good reflective porperty
Glass is light in weight
Glass is bad conductor of heat