1. What is a measurable quantity in physics?
2. Which measurement instrument is used to determine the mass of an object?
3. What is the primary role of SI units and symbols in scientific measurements?
Measurable quantity — definition?
A physical property that can be measured or calculated.
Measurement instrument — role?
Device used to determine the value of a physical quantity.
SI units — purpose?
Standardized units for consistent measurement worldwide.
Symbol — example?
Letter representing a physical quantity, e.g., m for mass.
Mathematical relationship — function?
Expresses how quantities are related mathematically.
Physical quantity — example?
Mass, length, time, temperature, power, frequency.
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