All Important Derivations Of Physics Class 11 Pdf [cracked] Download

nCpdT=nCvdT+nRdTn cap C sub p d cap T equals n cap C sub v d cap T plus n cap R d cap T Dividing by ndTn d cap T Cp−Cv=Rcap C sub p minus cap C sub v equals cap R Unit 8: Oscillations and Waves 1. Simple Pendulum Time Period Let a bob of mass hang from a string of length . When displaced by an angle , the restoring torque is:

ΔP⋅4πR2⋅dr=T⋅8πR⋅dr⟹ΔP=2TRcap delta cap P center dot 4 pi cap R squared center dot d r equals cap T center dot 8 pi cap R center dot d r ⟹ cap delta cap P equals the fraction with numerator 2 cap T and denominator cap R end-fraction all important derivations of physics class 11 pdf download

For a streamline flow of an ideal fluid, the sum of pressure energy, kinetic energy, and potential energy per unit volume remains constant. nCpdT=nCvdT+nRdTn cap C sub p d cap T

R=(ucosθ)⋅T=(ucosθ)⋅(2usinθg)cap R equals open paren u cosine theta close paren center dot cap T equals open paren u cosine theta close paren center dot open paren the fraction with numerator 2 u sine theta and denominator g end-fraction close paren Using the identity the sum of pressure energy

Resolving the forces horizontally to provide the required centripetal force:

Tcosθ⋅2πr=πr2hρgcap T cosine theta center dot 2 pi r equals pi r squared h rho g