Chose the including material__________
Mica
Silicon
Germanium
Copper
Which of the following is highest energy band
Valancy band
Energy band
Conduction band
None of above
For which materials as the temperature increanes condutiwity decreases
Insulator
None of abve
Semi-Conductor
Conduetor
In Semiconduelotrs the valancy band and Condution band____________________
Have small gap
Have huge gap
overlap each other
Which of the following is a semiconductor material
Aluminium
The ratio CP/CV is______________________
Less than 1
Equal to 0.5
Equal to 1
Greater than 1
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
Which mode of heat transfer takes place without actual migration of particiles
Conveection
Radiatiion
Which of the follwoing material is bad wnductor of heat
Glass
Steel
A Cup of tea kept on table losses its heat by______________process
All of above
273.15 K when conveted into Forhenite will become___________________
0ºF
32ºF
100ºF
373ºF
273.15 K when converted into desree celcius will become________________
100ºC
273ºC
32ºC
0ºC
32 F when converted into celcius will become_____________
373ºC
100ºC will be when converted into kelvin will become
373 K
212 K
273 K
-273 K