The Property of an object that can be measured with a measuring instruments is known as______________.
Physical Unit
Physical attribute
Physical system
Physical quantity
The property of an object which can be measured with a mearuing instrument is called___________________
Physical Quantity
Chemical Quantity
The resisitivity as insulator is between____________________-
None of above
Which of the following wloues reflects more heat
Red
Black
White
Blue
The resistivity as semiconductor is________________________
More than insulators
Less than conductors
Between insulator and conductors
All of above
In Insulators energy gap between conduction band and energy band is________________________
Nearly 1 ev
Between 1ev and 5ev
Above 5 ev
A trivalent impurity is called as _______________impurity
Inteinsic
Exteinsic
Doner
Acceptor
In P-type Semi-conductor,Doping increases number of_________________
Electrons
Holes
Both notes and electrons
Temperature scales degree celsius (º0) and Fathenite (OF) are related by
A Cup of tea kept on table losses its heat by______________process
Conduction
Convection
Radiation
The Boiling point of water in Kelvin scale of temperature is _______________
273 K
212 K
373 K
100 K
The error occur due to faulty instrument is___________________
Instumental error
Random error
Human error
systematic error
SI unit of Resistivity is ____________________________
Ohm ( )
Ohm - meter ( - m)
Ohm / meter ( / m)
Ohm - ( / )
The space surround a point charges where the effect of attraction/repuision is experienced is called________________________
Charge field
Magntic field
Electric field
Attraction field
When resistences are connected in parallel ____________ is same
Current
Voltage
Charge
Which mode of heat transfer can take place even without a medium
Condultion
Raliation
None of abve
Which of the follwoing material is bad wnductor of heat
Copper
Glass
Aluminium
Steel
Cp is always_____________CV
Half of
Smaller than
Greater than
equal to
Which mode of heat transfer is slowest of all other models
There flask cused to keep liqued Hot or coll for long times has double walled glass vessel because
Glass is light in weight
Glass has good reflective porperty
Glass is bad conductor of heat
Glass is good conductor of Heat