Duct Propagation (Super Refraction ) (हिन्दी )

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/ @learnandgrow

[@msaurav1030]

Troposphere k bad k layer ko stratopause nahi..tropopause bolte hain Ma'am

[@Spiritual_Trance]

-56 degree at tropopause
Till stratosphere

[@baldevsingh-qb7jk]

Fiber optic communication an overview ta video bnoo plz mam

[@thisissharief7651]

okay