What is SI Unit of Amount of Substance?
Mol
Newton
Gram
Kg
Select the correct option of Fundamental quantites with SI units
a-iii , b-i , C-iv , d-ii
a-iv , b-iii , C-ii , d-i
a-ii , b-iv , c-i , d-iii
a-ii , b-i , c-iv , d-iii
Absolute zero on kelivin scale is equal to_______________
100 K
0K
-273K
-373K
In N - Type Semiconductor mayjority carriers are______________--
Holes
Electrons
Both of above
None of above
Which of the following wloues reflects more heat
Blue
White
Black
Red
The electrical prperties of material depends upon number of elctrons in______________________
Innermost orbit
Outermost Orbit
A Pentawalent Impurity is called as____________impurity
Exteinsic
Intrinsic
Doner
Acceptor
For semiconductor matereial as the temperature increases its conductivity____________________
Increases
Remains Constant
Decreases
The Measurement of radius as a circle has error of 1% The error in measuremnet as its area (A) will be______________
1%
3.14%
2%
0.5%
273.15 K when conveted into Forhenite will become___________________
32ºF
100ºF
373ºF
0ºF
100ºC will be___________when converted into forhentie
-273 F
373 F
273 F
212 F
How many significant figures this reading has 0.0069
2
5
4
3
Like charges________________each other
Neither attract not repetl
Repel
Attract
According to coulomb's loa and Force of attraction/repulsion is inversely proportional to________________________
Square of distances between charges
Square root of distance between charges
Distance between charges
Mutipuication of Charges
SI unit of magnetic Flux is ___________________________
Weber
Tesla
Gauss
Coulomb
Which mode of heat transfer can take place even without a medium
Condultion
Convection
Raliation
None of abve
Which of the follwoing material is bad wnductor of heat
Glass
Aluminium
Steel
Copper
Cp is always_____________CV
Half of
Greater than
Smaller than
equal to
Conduction is ___________than convection
Medium
Faster
Slower
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 is light in weight
Glass has good reflective porperty