Which of the following wloues reflects more heat
White
Blue
Red
Black
In insulators the Valancy band and condution band_________________
Have small gap
Have huge gap
overlap each other
None of above
In P-Type semiconductor mayorty cariers are _________________
Holes
Electrons
Both of above
The resisitivity as insulator is between____________________-
Which of the following is NOT an insulator
Wood
Copper
Rubber
Mica
Which mode of heat transfer takes place without actual migration of particiles
Conduction
Conveection
Radiatiion
Which mode of heat transfer can take place even without a medium
Condultion
Convection
Raliation
None of abve
The ratio CP/CV is______________________
Greater than 1
Less than 1
Equal to 0.5
Equal to 1
Which mode of heat transfer is slowest of all other models
Radiation
Cp is always_____________CV
Smaller than
Half of
Greater than
equal to
100ºC will be___________when converted into forhentie
373 F
212 F
-273 F
273 F
273.15 K when converted into desree celcius will become________________
0ºC
273ºC
100ºC
32ºC
273.15 K when conveted into Forhenite will become___________________
0ºF
32ºF
100ºF
373ºF
The Process by which heat reaches from surp to earth is
The Boiling point of water in Kelvin scale of temperature is _______________
373 K
212 K
273 K
100 K