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Which of the following can be measured using an instrument?
Which one of the following is a base physical quantity?
Which instrument is most suitable for measuring the thickness of a thin wire?
Which quantity is derived from distance and time?
The SI base unit of electric current is:
Which SI prefix represents one thousandth part of a unit?
Why is scientific notation useful in physics?
The least count of a metre rule is usually:
Which error is caused by reading a scale from an incorrect eye position?
Which statement best defines a physical quantity?