What is least count?

Smallest value of a physical quantity which can be measured accurately by an instrument

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Largest value of a physical quantity which can be measured accurately by an instrument

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Both of these

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None of these

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Solution

The correct option is A Smallest value of a physical quantity which can be measured accurately by an instrument
By definition of least count, it is the smallest value of a physical quantity which can be measured accurately by an instrument.

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Similar questions

Q. The constant in an expression for a physical quantity can be accurately derived from dimensional analysis

Why is speed considered to be an incomplete physical quantity ? Name a quantity alike to speed which describes the motion of a particle more accurately .

Q. A physical quantity can be measured.

Q. Which of the following can not be used to measure quantities accurately?

Q. Assertion

(A)

: Absolute error in physical quantity can be positive, negative or zero.
Reason

(R)

: Absolute error is the difference in measured value and true value of physical quantity.
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What is least count?

The correct option is A Smallest value of a physical quantity which can be measured accurately by an instrumentBy definition of least count, it is the smallest value of a physical quantity which can be measured accurately by an instrument.

The correct option is A Smallest value of a physical quantity which can be measured accurately by an instrument
By definition of least count, it is the smallest value of a physical quantity which can be measured accurately by an instrument.