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Q : Example of complementary unit?
(A) force
(B) heat
(C) Angle
(D) pressure
Light year is a unit of which of the following physical sign?
(A) Short time interval
(B) mass
(C) Work
(D) distance
Light-year is the unit of length to measure large distances (astronomical distances).
The total distance travelled by light in 1 year is called 1 light year.
1 light-year = 9.46 × 1012 km.
Explanation for the incorrect options
The second (sec) is the unit of time.
A kg is the unit of mass.
Therefore, the Light year is the unit of distance. So, option (D) is correct.
What is the minimum unit of length?
(A) Micron
(B) Fermimeter
(C) Angstram
(D) nanometer
The ability to work is called?
(A) energy
(B) acceleration
(C) Displacement
(D) force
Which of the following is not a unit of mass?
(A) Pound
(B) Dine
(C) Village
(D) kg
Whose unit is Farad?
(A) Conductivity
(B) resistance
(C) Motivation
(D) Capacity
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