SI Unit of temp is__________________
K [ Kelvin ]
ºC [ Celcius ]
F [ Farhenite ]
J [ Joule }
Silicon (Si) and Germanium (Ge) are _______________
Divalent
Trivalent
Pentavalent
Tetavalent
Arsenics (As), Antimony (Sh) and Phosphrous (P) are examples of
Tetravalent
The resistivity as metals is between________________
None of above
In condutors the valancy band and Conduetion band__________________
Have small gap
have huge gap
overlap each other
Which mode of heat transfer is fastest as all other modes
Conduction
Convection
Radilation
The ratio CP/CV is______________________
Less than 1
Equal to 1
Greater than 1
Equal to 0.5
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
Radiation
Which of the follwoing material is bad wnductor of heat
Steel
Copper
Aluminium
Glass
100ºC will be___________when converted into forhentie
373 F
273 F
212 F
-273 F
The Process by which heat reaches from surp to earth is
A Cup of tea kept on table losses its heat by______________process
All of above
The boiling Point of water in farfhenite scale is_______________
212ºF
373ºF
273ºF
100ºF
The Boiling point of water in Kelvin scale of temperature is _______________
373 K
273 K
100 K
212 K