Physics Class 9 (SSC-1), Conceptual Question No.8 Unit-1: Physical Quantities and Measurement (National Book Foundation 2022 as Federal Text Book, Islamabad)

Q. What precautions should be kept in mind while taking measurements using a measuring cylinder? 

Answer:

We should keep the eye level with the bottom of the meniscus of the liquid surface in order to read the volume correctly as shown in the below figure

Related Questions:

Q.1 Physics has made our lives comfortable. " justify this statement. 

Q.2 What base quantities are involved in these derived physical quantities; force, pressure, power, and charge.

Q.3 Show that prefix micro is thousand times greater than prefix nano.

Q.4  Screw gauge can give more precise length than vernier calipers. Briefly explain why?

Q.5 Differentiate between mechanical stop watch and digital stop watch. 

Q.6 How measuring cylinder is used to measure volume of an irregular shaped objects? 

Q.7 Why do we need to consider significant digits in measurements? 

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