SI Unit of temp is__________________
F [ Farhenite ]
ºC [ Celcius ]
J [ Joule }
K [ Kelvin ]
Which of the following is a semiconductor material
Copper
Aluminium
Germanium
Mica
Which of the following is trivalent impurity ____________
Germanium (Ge)
Arsenis (As)
Antimony (Sb)
Boron (B)
Indium (In) Boron (B) and Aluminium (Al) are examples of
Pentavalent
Tetravalent
Trivalent
Divalent
In______________,there is very big gap between conduction band and valancy band
Conductors
Insulators
Semiwnduetors
None of above
Which of the follwoing material is bad wnductor of heat
Steel
Glass
The ratio CP/CV is______________________
Equal to 1
Equal to 0.5
Greater than 1
Less than 1
Cp is always_____________CV
Half of
Greater than
equal to
Smaller than
Which mode of heat transfer is slowest of all other models
Convection
Conduction
Radiation
Which mode of heat transfer is fastest as all other modes
Radilation
The Boiling point of water in Kelvin scale of temperature is _______________
273 K
100 K
212 K
373 K
A Cup of tea kept on table losses its heat by______________process
All of above
The Process by which heat reaches from surp to earth is
273.15 K when converted into desree celcius will become________________
100ºC
273ºC
0ºC
32ºC
The boiling Point of water in farfhenite scale is_______________
100ºF
212ºF
273ºF
373ºF