chapter 1 Physical quantities and Measurement class 7th physics @jatinacademy
Jatin Academy・2 minutes read
The text discusses the fundamental concepts of physics, including physical quantities, measurements, volumes of regular and irregular shapes, and speed calculations using specific formulas and units like meters per second and kilometers per hour. It also covers the use of instruments like graduated cylinders and methods like water displacement to measure liquid volumes and densities of materials by dividing mass by volume, providing a comprehensive overview of basic physics principles.
Insights
- Physical quantities like length, distance, time, temperature, area, and volume are measurable attributes that are defined and measured using instruments with units like square meter and centimeters.
- Calculations of volume, speed, and density in physics involve specific formulas and units such as millimeter cube, liters, meters per second, and kilograms per hour, with methods like water displacement and equations used for accurate measurements and calculations.
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Recent questions
What are physical quantities?
Attributes like length, time, temperature, and volume.
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