Micrometer Screw gauge | Length measuring instruments | class 9th physics new book 2025 in Urdu скачать в хорошем качестве

Micrometer Screw gauge | Length measuring instruments | class 9th physics new book 2025 in Urdu

In this video, we will deeply understand the Micrometer Screw Gauge from Class 9 Physics New Book 2025 (Punjab Board) in Urdu / Hindi. I will explain its structure, working principle, and how to measure the diameter of small objects with high precision. You will learn the meaning of pitch, how to calculate the least count, and how to avoid errors during measurement. We will also discuss zero error in detail, including positive zero error and negative zero error, along with step-by-step examples to make the concept crystal clear. This lecture will help you not only in exams but also in performing experiments accurately in your physics lab. Perfect for students who want easy-to-understand explanations with real-life examples. Class 9th new physics book 2025 chapter 1 measurements topic micrometer screw gauge explained in Urdu Micrometer screw gauge class 9th new physics book in urdu zero error positive zero error and negative zero error #class9physics #class9physicschapter1 #physicsnewbook2025 #micrometerscrewgauge #pitchofscrewgauge #leastcount #zeroerror #positivezeroerror #negativezeroerror #urduphysicslecture #hindiphysicslecture #class9measurement #screwgaugekause #physicspracticals #class9physicsurdumedium #punjabboardphysics #screwgaugeexplanation #howtomeasurewithscrewgauge #physicsinurdu #micrometerleastcount #micrometerzeroerror