Dimenstion of Energy__________________
What is SI unit of Angle
Candela
Radian
degree
Theta
Which of the following wloues reflects more heat
White
Black
Red
Blue
Which of the following is NOT a conductor
Copper
Mica
Aluminium
Iron
In boyles law which of the followingt is constant
Pressure
Temperature
Volume
All of above
The electrical prperties of material depends upon number of elctrons in______________________
Innermost orbit
Outermost Orbit
Both of above
None of above
When Aluminium (Al) is added to Pure Germanium (Ge) we get___________Semiconductor
P-type
N-type
A Pentawalent Impurity is called as____________impurity
Doner
Acceptor
Exteinsic
Intrinsic
Temperature scales degree celsius (º0) and Fathenite (OF) are related by
273.15 K when converted into desree celcius will become________________
32ºC
0ºC
273ºC
100ºC
The Process by which heat reaches from surp to earth is
Convection
Conduction
Radiation
Which of the following number has significant figure 4
2.021
0.300
0.001
0.020
The space surround a point charges where the effect of attraction/repuision is experienced is called________________________
Attraction field
Magntic field
Electric field
Charge field
SI unit of magnetic Flux is ___________________________
Weber
Tesla
Coulomb
Gauss
"Weber" is SI unit of ___________________________
Magnetic flux
Magnetic filed intensity
Electric field intensity
Magnetic Strength
Which mode of heat transfer is fastest as all other modes
Radilation
Conduction is ___________than convection
Slower
Medium
Faster
Cp is always_____________CV
Smaller than
Half of
Greater than
equal to
Which of the follwoing material is bad wnductor of heat
Steel
Glass
There flask cused to keep liqued Hot or coll for long times has double walled glass vessel because
Glass has good reflective porperty
Glass is bad conductor of heat
Glass is good conductor of Heat
Glass is light in weight