What is SI unit of Angle
degree
Candela
Theta
Radian
Dimension of Work
In Gay husaces law which of the following is constent
Pressure
Temperature
Volume
Act of above
The hand of energy occupied by free electrons is called________________
Energy band
Conduction band
Volance band
Electron band
In___________ the valancy band and coduction band overlap each other
Conductors
Insulators
Semiconductors
None of above
When Antimony (As) is added to Pure silicon (Si) we get__________SemiCondutor
N-type
P-type
A trivalent impurity is called as _______________impurity
Doner
Acceptor
Inteinsic
Exteinsic
Who are minority change Carriers is N-type semi-conductors
Both of above
Holes
Electrons
Additian & measurement 12.241 cm, 4.51 cm & 4.0 cm in significant figure is_____________________
20.750
20.75
20.751
20.7
The Boiling point of water in Kelvin scale of temperature is _______________
373 K
273 K
100 K
212 K
The Process by which heat reaches from surp to earth is
Convection
Radiation
Conduction
Which of the following number has significant figure 4
2.021
0.001
0.300
0.020
Protons in atom are ______________________charged
Positive
Negative
Neutral
According to ohms law current is directly proprtional to______________________
Magnetic filed
Voltage
Resistance
Charge
SI unit of magnetic Flux is ___________________________
Tesla
Coulomb
Gauss
Weber
Which of the follwoing material is bad wnductor of heat
Aluminium
Steel
Copper
Glass
Cp is always_____________CV
Half of
Smaller than
equal to
Greater than
The ratio CP/CV is______________________
Equal to 1
Less than 1
Greater than 1
Equal to 0.5
Which mode of heat transfer takes place without actual migration of particiles
Conveection
Radiatiion
There flask cused to keep liqued Hot or coll for long times has double walled glass vessel because
Glass is bad conductor of heat
Glass is good conductor of Heat
Glass has good reflective porperty
Glass is light in weight