"""In this lecture of Chapter no 7 Physics Class 9th. We will cover the topic 7.4 Atmospheric Pressure
After studying this lecture, student will be able to:
• Familiar with atmospheric pressure
• Measure the atmospheric pressure
• Understand the affects of variation in atmospheric pressure
Hope you guys enjoy this lecture."
![](https://i.ytimg.com/vi/JD5El4spZwI/maxresdefault.jpg)