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Respiratory System (Part 2) (in Hindi)
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ASHOK Meena
SSC Faculty in Delhi since last 5 yrs . MSc. in Molecular & Human Genetics {B.H.U} , Pursuing PhD in Biotechnology . College topper in M.sc

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(1)
U
Unacademy user
P
sir what is the definition of physical quantity
Chandan Sharma
6 months ago
In physics A physical quantity is a physical property of a material that can be quantified by measurement
Chandan Sharma
6 months ago
Or in simple that can be measured
Rk
sir accha but neet level hona chahiye