Which of the following wloues reflects more heat
Blue
Red
Black
White
In insulators the Valancy band and condution band_________________
Have small gap
Have huge gap
overlap each other
None of above
The resistivity as semiconduetor is between ___________________
Which of the following is NOT an insulator
Rubber
Mica
Wood
Copper
Which of the following is highest energy band
Valancy band
Energy band
Conduction band
Conduction is ___________than convection
Faster
Medium
Slower
Which mode of heat transfer is slowest of all other models
Convection
Conduction
Radiation
The ratio CP/CV is______________________
Less than 1
Equal to 0.5
Greater than 1
Equal to 1
Which mode of heat transfer takes place without actual migration of particiles
Conveection
Radiatiion
Which mode of heat transfer is fastest as all other modes
Radilation
The boiling Point of water in farfhenite scale is_______________
100ºF
273ºF
212ºF
373ºF
100ºC will be when converted into kelvin will become
373 K
-273 K
212 K
273 K
273.15 K when conveted into Forhenite will become___________________
0ºF
32ºF
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