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08:10
Sada Pind | ساڈا پنڈ | Our Village
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34:32
MCAT | MDCAT | ECAT | Dimensions of Physical Quantities | System of Unit | Yhlearning | Lec 4
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00:15
Base unit of force
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02:56
Base unit of permitivity of free space
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00:43
Base unit of frequency
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