Units and Measurements Test

Result

Units and Measurements Test - 6

Score
-
out of -
Rank
-
out of -

TIME Taken - -

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Weekly Quiz Competition

Question 1
1 / -0

The position of a particle is described by its _________.

A
Null vector

B
Unit vector

C
Position vector

D
Displacement vector

Solution

The position of a particle is described by a position vector which is drawn from the origin of a reference frame to the particle. This helps to locate the particle in space.

The displacement vector is used to find the resultant of two position vectors.
Question 2
1 / -0

______________ is the comparison of a quantity with a standard of the same physical quantity.

A
Units

B
Measurement

C
Physical quantities

D
None of the above

Solution

Measurement is the comparison of a quantity with a standard of the same physical quantity.
Question 3
1 / -0

All physical quantities are measured with respect to the standard magnitude of the same physical quantity, and these standards are called ______.

A
Units

B
Measurement

C
Error

D
None of the above

Solution

All physical quantities are measured with respect to the standard magnitude of eh same physical quantity, and these standards are called UNITS. Example seconds, meter, kilogram, etc.
Question 4
1 / -0

The SI Unit of temperature is ______.

A
Celsius (^oC)

B
Farhanite (F)

C
Kelvin (K)

D
None of the above

Solution

The SI unit of temperature is Kelvin(K).

1 K is defined as the fraction 1/273.16 of the thermodynamic temperature of the triple point of water.
Question 5
1 / -0

The SI unit of current is ______.

A
Kilogram(kg)

B
Meter(m)

C
Ampere(A)

D
Second(s)

Solution

The SI unit of current is Ampere(A).

1A is defined as the force between two equal currents carrying infinite long wire of negligible cross-section is 2× 10^-7 newton per meter of the wires, the current in any of the wire is called 1A.