Which of the Following is not a Physical quantity
height
Pain
Length
Light
Dimension of Force
Which of the following is a semiconductor material
Copper
Aluminium
Germanium
Mica
In Charles law which of the following is constant
Pressure
Temperature
Volume
All of above
The resistivity as semiconductor is________________________
More than insulators
Less than conductors
Between insulator and conductors
A trivalent impurity is called as _______________impurity
Acceptor
Inteinsic
Exteinsic
Doner
When Boron (B) is added to Pure Silicon (Si) we Get _________________semiConuctor
N-type
P-type
None of above
The electrical prperties of material depends upon number of elctrons in______________________
Innermost orbit
Outermost Orbit
Both of above
Temperature scales degree celsius (º0) and Fathenite (OF) are related by
273.15 K when conveted into Forhenite will become___________________
100ºF
373ºF
0ºF
32ºF
A Cup of tea kept on table losses its heat by______________process
Conduction
Convection
Radiation
A Good Unit should be,
Universoly accepted
Well defined
Invasiable from place to place
All of the above
1Volt is given by __________________________-
1J/1C
1A/1C
1C/1J
1A/1J
Unlike charges________________each Other
Repet
Attract
Neither attract nor repel
Nutrom are electrically ___________parchles
Positive
Negative
Neurtral
Which mode of heat transfer takes place without actual migration of particiles
Conveection
Radiatiion
Which of the follwoing material is bad wnductor of heat
Steel
Glass
Which mode of heat transfer is slowest of all other models
The ratio CP/CV is______________________
Less than 1
Equal to 0.5
Equal to 1
Greater than 1
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 good conductor of Heat
Glass is bad conductor of heat
Glass is light in weight