Select the correct option of Fundamental quantites with SI units
a-iii , b-i , C-iv , d-ii
a-ii , b-iv , c-i , d-iii
a-ii , b-i , c-iv , d-iii
a-iv , b-iii , C-ii , d-i
Select Correct option of Qty & Unit
Qty Unit
a) Mass P) K
b) Electric Current q) A
c) Luminious Intensity r) Kg
d) Temp s) Cd
a-r , b-q , c -s , d-p
a-r , b-s , c -p , d-q
a-r , b-q , c -p , d-s
In Gay husaces law which of the following is constent
Pressure
Temperature
Volume
Act of above
Which of the following is a semiconductor material
Aluminium
Copper
Germanium
Mica
The resisitivity as insulator is between____________________-
None of above
In Insulators energy gap between conduction band and energy band is________________________
Nearly 1 ev
Between 1ev and 5ev
Above 5 ev
In N-type semiconductor Doping increases number as _______________
Holes
Both of above
Electrons
In Conductors there is _________________ gap between valance band and conduction band
Very Large
No
Small
Large
The measuremant of side of a cube has error of 2% The error in volume measurement with be__________________
4%
6%
8%
0.5%
The Process by which heat reaches from surp to earth is
Radiation
Conduction
Convection
The boiling Point of water in farfhenite scale is_______________
273ºF
100ºF
212ºF
373ºF
How many significant Figures this reading has 2.5400
5
6
3
4
SI unit of electric field Intensity_____________________
N/C
V/m
Protons in atom are ______________________charged
Positive
Negative
Neutral
SI unit of Resistivity is ____________________________
Ohm - ( / )
Ohm / meter ( / m)
Ohm ( )
Ohm - meter ( - m)
The ratio CP/CV is______________________
Equal to 0.5
Less than 1
Equal to 1
Greater than 1
Conduction is ___________than convection
Slower
Medium
Faster
Cp is always_____________CV
Smaller than
equal to
Greater than
Half of
Which mode of heat transfer is fastest as all other modes
Radilation
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 light in weight
Glass is bad conductor of heat
Glass is good conductor of Heat