Aoa, paper conceptual tha .paradox k provided short lectures lazmi ly.mcqs main 4 numerical thy. Parallel capacitor main konsi cheez constant hoti ha.0 degree pr jb ice melt hoti ha to temperature Kya hota ha? Constant rehta ha. Short question main pocha gya tha k hum apny bathroom k mirror main khud ko old aur young dekh skty hn. Long question De-Broglies se tha.An electron has debroglie wavelength of 2.80*10^-10.find it's magnitude of momentum and K.E.yeh lazmi kry yeh kafi bachon ko repeat huwa ha