In insulators the Valancy band and condution band_________________
Have small gap
Have huge gap
overlap each other
None of above
Arsenics (As), Antimony (Sh) and Phosphrous (P) are examples of
Trivalent
Tetravalent
Pentavalent
Divalent
In boyles law which of the followingt is constant
Pressure
Temperature
Volume
All of above
For which materials as the temperature increanes condutiwity decreases
Insulator
Conduetor
None of abve
Semi-Conductor
In Charles law which of the following is constant
Cp is always_____________CV
Greater than
Half of
Smaller than
equal to
Which mode of heat transfer can take place even without a medium
Condultion
Convection
Raliation
Which mode of heat transfer is fastest as all other modes
Conduction
Radilation
Conduction is ___________than convection
Medium
Slower
Faster
Which of the follwoing material is bad wnductor of heat
Aluminium
Copper
Glass
Steel
273.15 K when converted into desree celcius will become________________
32ºC
100ºC
273ºC
0ºC
32 F when converted into celcius will become_____________
373ºC
273.15 K when conveted into Forhenite will become___________________
32ºF
0ºF
373ºF
100ºF
The Process by which heat reaches from surp to earth is
Radiation
100ºC will be___________when converted into forhentie
373 F
-273 F
212 F
273 F