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Distance vs Displacement

Which of the ...

Question

Which of the following parameters are required to express a vector quantity?

A

The numerical value of a quantity

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B

Unit

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C

Direction

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D

None of these

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Solution

The correct options are
A
The numerical value of a quantity

B
Unit

C
Direction

A numerical value of a quantity, unit and direction are required to represent a vector quantity. Displacement and velocity are examples of vector quantity.

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Similar questions

Q. A: When we change the unit of measurement of a quantity, its numerical value changes.
R: Smaller the unit of measurement, smaller is its numerical value.

u_{1}

u_{2}

n_{1}, n_{2}

are their numerical values in two different systems then

n_{1} > n_{2} \Rightarrow u_{1} < u_{2}

.
R: The numerical value of physical quantity is inversely proportional to unit.

Q. A physical quantity is measured and its value is found to be equal to

n u

n

is the numerical value and

u

is the unit. Which of the following relations is true?

Q. Assertion :When we change the unit of measurement of a quantity, its numerical value changes Reason: Smaller the unit of measurement smaller is its numerical value

Q. Assertion :When we change the unit of measurement of a quantity, its numerical value changes. Reason: Smaller the unit of measurement smaller is its numerical value.

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