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Category: Heat and Theromdynamics

Question-50808

Question Number 50808 by Tinkutara last updated on 20/Dec/18 Answered by tanmay.chaudhury50@gmail.com last updated on 21/Dec/18 $${at}\:{temparature}\:{t}\:{M}.{I}\:{is} \\ $$$${I}=\frac{\mathrm{1}}{\mathrm{2}}\left(\pi{R}^{\mathrm{2}} {h}\rho\right){R}^{\mathrm{2}} \:\:\:+{Md}^{\mathrm{2}} \:{at}\:{temparature}\:{t} \\ $$$${d}={distance}\:{between}\:{axis}\:{of}\:{cylinder}\:{and}\:{axis} \\…

During-random-motion-gas-molecules-do-not-interact-with-each-other-Hence-Potential-energy-0-Pls-explain-why-P-E-0-P-E-is-stored-form-of-energy-right-

Question Number 47314 by rahul 19 last updated on 08/Nov/18 $${During}\:{random}\:{motion},\:{gas}\:{molecules} \\ $$$${do}\:{not}\:{interact}\:{with}\:{each}\:{other}\:. \\ $$$${Hence}\:\:{Potential}\:{energy}\:=\mathrm{0}\:…… \\ $$$${Pls}\:{explain}\:{why}\:{P}.{E}\:=\:\mathrm{0}? \\ $$$${P}.{E}\:{is}\:{stored}\:{form}\:{of}\:{energy},{right}? \\ $$ Commented by rahul 19…

Question-45127

Question Number 45127 by Necxx last updated on 09/Oct/18 Answered by tanmay.chaudhury50@gmail.com last updated on 09/Oct/18 $$\left.\mathrm{23}\right)\bigtriangleup{L}_{{Al}} ={L}\propto_{{Al}} \bigtriangleup{T} \\ $$$$\bigtriangleup{L}_{{steel}} ={L}\propto_{{steel}} \bigtriangleup{T} \\ $$$${reauired}\:{space}=\frac{\mathrm{1}}{\mathrm{2}}{L}\bigtriangleup{T}\left(\propto_{{Al}}…

Question-45125

Question Number 45125 by Necxx last updated on 09/Oct/18 Answered by tanmay.chaudhury50@gmail.com last updated on 09/Oct/18 $${at}\:{temparature}\:{T}\:\:{cube}\:{edge}={L} \\ $$$${at}\:{temp}\:{T}+{dT}\:\:{cube}\:{edge}={L}+{dL} \\ $$$${surface}\:{area}\:{at}\:{tepm}\:{T}\:\:{is}\:{L}^{\mathrm{2}} \\ $$$${at}\:{temp}\:{T}+{dT}\:{surface}\:{area}=\left({L}+{dL}\right)^{\mathrm{2}} \\ $$$${given}\:\alpha=\frac{{dL}}{{L}×{dT}}\:\:\:\:\:\:\:{dL}=\alpha{LdT}…