Physical World and Measurement
Physics Solutions from Chapter -1 - Physical World and Measurement
This chapter covers topics like scope of physics and its application in everyday life, basic forces in nature, nature of physical laws, measurement, systems of units, accuracy and precision of instruments, and errors in measurement.
Practice Other Topics from Physical World and Measurement
The topic discusses the scope of physics and its applications. It highlights the quantitative study of various natural phenomena here. We will also come across the role of physics in technology and other branches of science.

In this topic, we will come across different types of basic forces. It provides a brief description of gravitational forces, weak forces, electromagnetic forces, and strong forces via examples. We will also study the properties of each.

In this topic, we will learn the different natures of physical laws in an attempt to discover different facts. The concept of conservation of energy, momentum, and charge for every physical system is also discussed here in detail.

This topic briefs on the methods of measurement of length, mass and time. We will also learn the range of lengths and masses.

This topic is all about the measurement of length, mass and time. We will come across the use of parallax method for measuring larger distances. It also covers the description of electron microscopes here.

This topic discusses the system of units which have been used for describing measurements of various physical quantities. It highlights the basic units along with their symbols in tabular form. Here, we will also come across the supplementary units.

In this topic, we will learn about significant figures. We will learn the rules for arithmetic operations with significant figures and for determining the uncertainty in the results of arithmetic calculations.

In this topic, we will learn the accuracy and precision of instruments while measuring the different quantities. It also gives examples based on the concept for a better understanding.

In this topic, we will learn about the classification of error in measurement. We will also learn about accuracy and precision.

In this topic, we will understand how to write the dimensions of physical quantities. It highlights the dimensional formulae of some physical quantities in tabular form. It also mentions the uses of the dimensional equation to derive the dimensions.
