فزکس، کیمسٹری اور ریاضی کی مفت lectures دیکھو. IX، X، XI Watch free lectures of Physics,Chemistry and Maths... http://danishqamar.blogspot.com/p/blog-page_6325.html Chemistry: Ion Electron Method,Empirical Formula
Physics: Projectile motion, Electronics Mathematics: Cube root of unity
