Haryana Notes
AIEEE QUIZ-PHYSICS-UNIT & MEASUREMENT 1
Question 2A.1:Parsec is unit of -
distance
angular accleration
time
light
Question 2A.2:Difference in length of mean solar day and sideral day is about -
1 minute
4 minute
3 minute
56 minute
Question 2A.3:Which of the following is not unit of time-
shake
lunar month
Tropical year
light year
Question 2A.4:Electron volt is unit of
Pot. Diffrence
Energy
Power
Charge
Question 2A.5:The MKS unit of quantities are given against them, which of following pair is wrong.
Young's Modulus-N/m
^{2}
Magnetic Induction-tesla
Power of a lense - m
^{-1}
None of above
Question 2A.6:The SI unit of inductance is henry. henery can be written as-
Weber/ampere
Volt-second/ampere
ohm-second
all of above
Question 2A.7:One second is defined as- the time taken by Cs-133 atom to make ....................... vibrations.
1650763.73
9192631770
299,792,458
None of above
Question 2A.8:What is unit of Avagadro's Number
avagadro's number has no unit
mol
^{-1}
mol
None of above
Question 2A.9:Angular diameter of sun from earth is 16'. Find the diameter of the sun (Given distance of the earth from the sun = 1.49x 10
^{11}
2.384 x 10
^{9}
2.384 x 10
^{8}
6.938 x 10
^{8}
6.938 x 10
^{9}
Question 2A.10:Time taken by light to pass through a distance of 1.56 x 10
^{-16}
m
Zero second
less than zero second
5.2 x 10
^{-24}
s
5.2 x 10
^{-25}
s
Question 2A.11:Erg x sec is unit of
Angular momentum
linear momentum
energy
power
Question 2A.12:A screw gauge, the main scale has division in millimeteres and the circular scale has 50 divisions. The least count of the screw gauge is
20 microns
2 microns
50 microns
5microns
Question 2A.13:Which of following is used to measure time-
Barometer
Chronometer
Radiometer
None
Question 2A.14:Which of the following systems of units is not based on units of mass, length and time alone?
SI
MKS
FPS
CGS
Question 2A.15:Choose the wrong pair:
Electric Charge - Coulomb
Temperature - Thermometer
Pressure - Barometer
Sp. gravity - Hygrometer
Question 2A.16:Which of the following is not the unit of energy
Calorie
Joule
Elevtron-volt
Watt
Question 2A.17:The unit of electric field is not equivlaent to
N/C
J/C
V/m
J/Cm
Question 2A.18:Which of the following pairs of physical quantities may be represented in the same unit?
Temperature and mole
Heat and Work
Heat and Temperature
Specific heat and Heat
Question 2A.19:The unit of power of a lense is
Watt
Horse Power
Diopter
Candela
Question 2A.20:Wb/m
^{2}
is equal to
Henry
Watt
Tesla
Dynes